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Willow Flycatcher (Empidonax traillii)

Citation:
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Error
Clutch or Litter Size 3.68 mean clutch size in first nests eggs/nest Female Adult 31 nests Wooster and Toledo, OH; Fremont, NE Exposure Factor Datasets 0.1 SE
Clutch or Litter Size 3.14 mean clutch size in renests eggs/nest Female Adult 29 nests Wooster and Toledo, OH; Fremont, NE Exposure Factor Datasets 0.1 SE
Citation:

Traill's flycatcher breeding biology

Author(s)
Holcomb, Larry C.
Pages
50-68
Year
Issue
3
Volume
40
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Error
Clutch or Litter Size 3.68 mean first clutch size eggs Female Adult 31 nests Toledo, Wooster, OH Exposure Factor Datasets 0.1 SE

Little Pocket Mouse (Perognathus longimembris)

Citation:

Seasonal reproductive patterns in five coexisting California desert rodent species

Author(s)
Kenagy, G. J. and George A. Bartholomew
Pages
371-397
Year
Issue
4
Volume
55
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type California Counties Error
Body Weight - Mean 7.3 g Female Adult 67 Owens Valley, Big Pine (lat., 37^o11'N) Exposure Factor Datasets Inyo 1.1 SD
Clutch or Litter Size 4.75 pups/litter Female Adult 16 Owens Valley, Big Pine (lat., 37^o11'N) Exposure Factor Datasets Inyo 0.77 SD

Stephens' Kangaroo Rat (Dipodomys stephensi)

Citation:

Distances moved by Stephens' kangaroo rat (Dipodomys stephensi Merriam) and implications for conservation

Author(s)
Price, Mary V., Patrick A. Kelly and Ross L. Goldingay
Pages
929-939
Year
Volume
75
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Home Range range of median maximum distance moved based on monthly live trapping capture data at 2 sites m Female Juvenile 21-54 Motte Rock Ecological Reserve [lat., 33^o53'N; long., 117^o6'W] and San Jacinto Wildlife Area [lat., 33^o51'N; long., 116^o54'W] Exposure Factor Datasets Riverside
Home Range range of median maximum distance moved based on telemetry at 2 sites; 21 - 91 d observation m Female Adult 9 Motte Rock Ecological Reserve [lat., 33^o53'N; long., 117^o6'W] and San Jacinto Wildlife Area [lat., 33^o51'N; long., 116^o54'W] Exposure Factor Datasets Riverside

California Vole (Microtus californicus)

Citation:

Nutritional ecology of the California vole: Effects of food quality on reproduction

Author(s)
Batzli, George O.
Pages
406-412
Year
Issue
2
Volume
67
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Error Lab
Clutch or Litter Size 3.3 young/litter Female Adult 12 Exposure Factor Datasets 0.4 SE Laboratory
Clutches or Litters per year 1.0 litters per female per 12 wks litters/12 wks Female Adult 12 Exposure Factor Datasets 0.2 SE Laboratory
Citation:

Intraspecific litter size variation in Microtus californicus II. variation between populations

Author(s)
Krohne, David T.
Pages
1174-1182
Year
Issue
6
Volume
34
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type Error Lab
Clutch or Litter Size 4.25 pups/litter Female Adult 65 captured in Contra Costa County, CA Exposure Factor Datasets 0.28 SE Laboratory

Western Snowy Plover (Charadrius nivosus ssp. nivosus formerly Charadrius alexandrinus ssp. nivosus)

Citation:

Mating system and reproductive success of a small population of polygamous snowy plovers

Author(s)
Warriner, John S., Jane C. Warriner, Gary W. Page and Lynne E. Stenzel
Pages
15-37
Year
Issue
1
Volume
98
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Survival/ Mortality 72.6 percent annual survival % Female Adult 73 birds Pajaro River Mouth Exposure Factor Datasets Monterey
Citation:

Breeding biology of snowy plovers at Great Salt Lake, Utah

Author(s)
Paton, Peter W.C.
Pages
275
Year
Issue
2
Volume
107
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type
Time of Migration or Dispersal late Mar to mid Jun period of migrant arrival to breeding grounds Female Adult 3 yrs data collection Great Salt Lake, Davis County Exposure Factor Datasets

Coyote (Canis latrans)

Citation:

Coyote, Canis latrans, ecology in a rural-urban environment

Author(s)
Atkinson, K.T. and D.M. Shackleton
Pages
49-54
Year
Volume
105
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries Error
Clutch or Litter Size 5.4 estimated by placental scars, number of foeti and 2 litters young/litter Female Adult 20 Lower Fraser Valley, British Columbia Exposure Factor Datasets CANADA 1.8 SD
Time of Hatching or Parturition Apr. - May Female Adult 10 litters Lower Fraser Valley, British Columbia Exposure Factor Datasets CANADA
Citation:

Body size and condition of coyotes in southern Texas

Author(s)
Windberg, Lamar A., Richard M. Engeman and Jeffrey F. Bromaghin
Pages
47 - 52
Year
Volume
27
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific
Body Weight - Mean range of means for two yearling age groups kg Female Juvenile 22 - 32 Webb County [lat., 27^o20'-28^o00N; long., 99^o00'-99^o40'W] Exposure Factor Datasets 1.5 - 2.0 yrs
Body Weight - Mean range of means for two adult age groups; excluding those in latter half of gestation kg Female Adult 43-66 Webb County [lat., 27^o20'-28^o00N; long., 99^o00'-99^o40'W] Exposure Factor Datasets >2.5 - >3.0 yrs

Loggerhead Shrike (Lanius ludovicianus)

Citation:

Habitat selection and breeding biology of loggerhead shrikes in eastern Ontario and Quebec

Author(s)
Chabot, Amy, Rodger D. Titman and David M. Bird
Pages
155-156
Year
Volume
6
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries
Clutch or Litter Size average clutch sizes, 2 years eggs/clutch Female Adult 27-52 pairs/yr eastern Ontario, Quebec Exposure Factor Datasets CANADA

Striped Skunk (Mephitis mephitis)

Citation:

Population characteristics and movements of striped skunk (Mephitis mephitis) in central Alberta

Author(s)
Bjorge, Ronald R., John R. Gunson and William M. Samuel
Pages
149-155
Year
Issue
2
Volume
95
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries Error
Home Range 1970 home range, as indexed by greatest distance between captures m Female Adult 30 females Tofield 15 deg.N,112 deg. W east central Alberta Exposure Factor Datasets CANADA 170 SE
Home Range 4150 home range, as indexed by greatest distance between captures m Female Juvenile 19 juveniles Tofield 15 deg.N,112 deg. W east central Alberta Exposure Factor Datasets CANADA 1191 SE

California Sea Lion (Zalophus californianus)

Citation:

The effect of El Nino on pup development in the California sea lion (Zalophus californianus) II: Milk intake

Author(s)
Iverson, S. J., O.T. Oftedal and D.J. Boness
Pages
180-184
Publisher
Springer Verlag
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific Error
Growth Rate 95.0 daily weight gain during 1st mo of life g/d Female Pup 4 San Nicolas Island Exposure Factor Datasets 5-30 d 11.75 SE
Food Ingestion Rate 5.93 daily milk intake as % of pup body weight %/d Female Pup 4 San Nicolas Island Exposure Factor Datasets 1-2 mo 0.467 SE
Citation:

Milk and energy intakes of suckling California Sea Lions (Z. californicus) pups in relation to sex, growth and predicted maintenance requirements

Author(s)
Oftedal, Olav T., Sara J. Iverson and Daryl J. Boness
Pages
560-575
Year
Issue
5
Volume
60
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific Error
Water Ingestion Rate 549 total daily water intake derived from sum of milk water intake and metabolic water production g/d Female Pup 19 San Nicolas Island [lat., 33^oW; long., 119^oW] Exposure Factor Datasets 2 mo 21.6 SE

Kit Fox (Vulpes macrotis ssp. nevadensis)

Citation:

Ecology and life history of the kit fox in Tooele County, Utah

Author(s)
Egoscue, Harold J.
Pages
481-497
Year
Issue
3
Volume
43
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Body Weight - Mean 4.2 average body weight lbs Female Adult 6 Tooele County, west. UT Exposure Factor Datasets
Clutch or Litter Size pups/litter Female Adult 11 litters Tooele County, west. UT Exposure Factor Datasets

Song Sparrow (Melospiza melodia)

Citation:

Effects of population density and supplemental food on reproduction in song sparrows

Author(s)
Arcese, Peter and James N. M. Smith
Pages
119-136
Year
Volume
57
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries
Body Weight - Mean 3.08 egg mass; no difference between fed and non-fed fenales g Female Adult 15 fed and 34 non-fed females Mandarte island Exposure Factor Datasets CANADA
Citation:
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific Countries Error
Body Weight - Mean 24.75 over 90 wks g Female Adult 2 birds Mandarte Island Exposure Factor Datasets over 90 wks CANADA 2.1 SE

Ensatina (Ensatina eschscholtzii)

Citation:

Natural history of the salamanders of the plethodontid genus Ensatina

Author(s)
Stebbins, Robert C.
Pages
47-124
Year
Volume
54
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Mating/ Laying late spring - early summer time of laying Female Adult Not Reported Pinehurst Madrone Grove Park Exposure Factor Datasets Contra Costa

Deer Mouse (Peromyscus maniculatus)

Citation:

The ecology of the deer mouse Peromyscus maniculatus in a coastal coniferous forest. II. Reproduction

Author(s)
Sadleir, R.M.F.S.
Pages
119-131
Year
Volume
52
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries Error
Clutch or Litter Size 4.52 based on embryo counts #/litter Female Adult 57 University of British Columbia Research Forest Exposure Factor Datasets CANADA 1.16 SD
Citation:

The ecology of beach-dwelling Peromyscus maniculatus on the Pacific Coast

Author(s)
Marinelli Lui, and John S. Millar
Pages
412-417
Year
Volume
67
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries Error
Clutch or Litter Size 5.1 based on embryo counts #/litter Female Adult 11 Vancouver Island. [lat., 48 ^o, 50' N; long., 125^o, 15'W] Exposure Factor Datasets CANADA 0.34
Citation:

Life History Parameters in Mice Exposed to a Prolonged Drought

Author(s)
Morton, Martin L., Michael L. Morrison, Linnea S. Hall and Maria E. Pereyra
Pages
18-28
Year
Issue
1
Volume
40
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties Error
Body Fat (total or %) 0.6 total body fat g Female Adult 21 Pinyon-juniper zone near Westgard Pass (elev., 2500 m) Exposure Factor Datasets Inyo 0.3 SD
Citation:

Litter survival of deer mice (Peromyscus maniculatus) in nest boxes

Author(s)
Sleeper, Roger A.
Pages
259-260
Year
Volume
25
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size range of mean litter sizes for 2 yrs; based on embryo counts #/litter Female Adult 7 - 8 litters San Juan Mountains (elev., 3200 m) Exposure Factor Datasets

Peregrine Falcon (Falco peregrinus)

Citation:

Distribution and reproductive success of peregrine falcons (Falco peregrinus anatum) in California during 1975 and 1976

Author(s)
Thelander, Carl G.
Pages
13
Publisher
California Department of Fish and Game, Wildlife Management Branch Administrative Report
Year
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size range for two sites over two yrs eggs/nest Female Adult 4 Exposure Factor Datasets
Citation:

Distribution and breeding biology of raptors in the Thelon River area, Northwest Territories, 1957-1969

Author(s)
Kuyt, E.
Pages
121-130
Year
Volume
94
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries
Clutch or Litter Size 3.3 mean clutch size eggs/clutch Female Adult 29 Thelon River, Northwest Territories Exposure Factor Datasets CANADA

Double-crested Cormorant (Phalacrocorax auritus)

Citation:

Measurements of wintering double-crested cormorants and discriminant models of sex

Author(s)
Glahn, James F., and R. Barry McCoy
Pages
299-304
Year
Issue
2
Volume
66
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Error
Body Weight - Mean 2162.2 body weight g Female Adult 41 Exposure Factor Datasets 29.8 SE
Citation:

Breeding success of double-crested cormorants in the San Francisco Bay Area, California

Author(s)
Stenzel, Lynne E., Harry R. Carter, R. Philip Henderson, Steven D. Emslie, Mark J. Rauzon, Gary W. Page, and Patrick Y. O'Brien
Pages
216-224
Year
Volume
18
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size 3.1+/- 0.1 to 3.2+/- 0.1 mean number of eggs/nest (over 3 years) Female Adult 263-312 nests/year San Francisco Bay estuary Exposure Factor Datasets

Mallard duck (Anas platyrhynchos)

Citation:

The length of incubation in relation to nest initiation date and clutch size in dabbling ducks

Author(s)
Feldheim, Cliff L.
Pages
997-1001
Year
Volume
99
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Error
Duration of Incubation or Gestation 24.5 mean incubation period d Female Adult 66 nests near Devil's Lake (48deg10'N, 98deg90'W) Exposure Factor Datasets 4.1 2SD
Citation:

Body composition of female mallards in winter in relation to annual cycle events

Author(s)
Heitmeyer, Mickey E.
Pages
669-680
Year
Volume
90
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type Condition Error
Body Weight - Mean 1,193 g Female Both Adults and Juveniles 35 Mingo Basin Exposure Factor Datasets late prebasic molt 15 SE
Body Weight - Mean 1,280 g Female Both Adults and Juveniles 10 Mingo Basin Exposure Factor Datasets basic plumage, prespring migration departure 13 SE
Citation:

Home range and habitat use of forest-dwelling mallards in Minnesota

Author(s)
Kirby, Ronald E., John H. Riechmann and Lewis M. Cowardin
Pages
215-219
Year
Issue
2
Volume
97
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type
Home Range 540 ha Female Adult 8 Bemidji, Beltrami Co. Exposure Factor Datasets
Citation:

Age-related aspects of mallard reproduction

Author(s)
Krapu, Gary L. and Harold A. Doty
Pages
35-39
Year
Volume
30
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type Condition Error
Body Weight - Mean 1,121.2 g Female Adult 105 birds prairie pothole region central North Dakota Exposure Factor Datasets during breeding season 121.5 SD
Body Weight - Mean 1,070.2 g Female Yearling 44 birds prairie pothole region in North Dakota Exposure Factor Datasets during breeding season 121.3 SD
Citation:

Spring-summer survival rates of yearling versus adult mallard females

Author(s)
Reynolds, Ronald E., Robert J. Blohm, James D. Nichols and James E. Hines
Pages
691-696
Year
Issue
4
Volume
59
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type Countries Error
Survival/ Mortality 0.574 spring-summer survival (proportion) Female Adult 11,139 Alberta, Saskatchewan, Manitoba Exposure Factor Datasets CANADA 0.053 SE
Citation:

A nesting study of ducks and coots on Tule Lake and Lower Klamath National Wildlife Refuges

Author(s)
Miller, A.W. and B.D. Collins
Pages
17-37
Year
Issue
1
Volume
40
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties
Hatching Success 85.2% proportion of observed nests with at least one successful hatch Female Adult 209 Tule Lake and Lower Klamath River National Wildlife Refuges Exposure Factor Datasets Modoc, Siskiyou
Time of Nesting April-September period between first observed nest to last observed hatches Female Adult 209 Tule Lake and Lower Klamath River National Wildlife Refuges Exposure Factor Datasets Modoc, Siskiyou
Citation:

Temporal and geographic estimates of survival and recovery rates for the mallard, 1950 through 1985.

Author(s)
Chu, D.S. and J.B. Hestbeck
Pages
57
Publisher
U.S. Department of Interior, Fish and Wildlife Service, Fish and Wildlife Technical Report 20
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type Error
Survival/ Mortality 0.5447 survival estimates for birds banded 1966-1985 Female Adult 13,704 Northern California Exposure Factor Datasets 0.0128 (SE)
Survival/ Mortality 0.5462 survival estimates for birds banded 1972-1981 Female Adult 1,240 Central California Exposure Factor Datasets 0.0561 (SE)
Citation:

Production of mallards on irrigated land in the Sacramento Valley

Author(s)
Earl, John P.
Pages
23
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties Condition
Clutch or Litter Size 8.37 mean clutch size eggs Female Adult 40 nests Conaway Ranch Exposure Factor Datasets Yolo breeding
Citation:

Fall and spring body weights and condition indices of ducks in Illinois

Author(s)
Hine, Christoper S., Stephen P. Havera, Richard M. Whitton, Jerome R. Serie
Pages
197-213
Year
Volume
89
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type Condition Error
Body Weight - Mean 1,240 g Female Adult 220 Illinois and Mississippi river valleys Exposure Factor Datasets hunter-harvested 8 SE

American Kestrel (Falco sparverius)

Citation:

Behavior and ecology of the American Kestrel in the Sierra Nevada of California

Author(s)
Balgooyen, Thomas G.
Year
Volume
103
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Mating/ Laying late May - June entire laying period Female Adult Not Reported Sagehen Creek Field Station Exposure Factor Datasets Nevada, Sierra

Deer Mouse (Peromyscus maniculatus ssp. borealis)

Citation:

Life cycle characteristics of northern Peromyscus maniculatus borealis

Author(s)
Millar, J.S.
Pages
510-515
Year
Issue
4
Volume
60
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Error Lab
Age at Sexual Maturity age at first conception d Female Adult 3 Original pairs trapped at Heart Lake, Northywest Territories Exposure Factor Datasets Laboratory
Clutch or Litter Size 5.03 Female Adult 98 Original pairs trapped at Heart Lake, Northwest Territories Exposure Factor Datasets 0.18 SE Laboratory
Citation:

Energy requirements during reproduction of Peromyscus maniculatus

Author(s)
Stebbins, L.L.
Pages
1701-1704
Year
Volume
55
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type Condition Error Lab
Body Weight - Mean 29.0 g Female Adult 8 captured in Lethbridge, Alberta Exposure Factor Datasets lactating 1.0 SE Laboratory

Deer Mouse (Peromyscus maniculatus ssp. gambelii)

Citation:

Seasonal activity and feeding patterns in a population of deer mice (Peromyscus maniculatus gambelii)

Author(s)
Seabloom, Robert W., Robert G. Schwab and Susan C. Loeb
Pages
2238-2243
Year
Volume
72
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Mating/ Laying January, August-October annual reproductive peaks Female Adult 1085 Tule Lake National Wildlife Refuge (1230 m) Exposure Factor Datasets Siskiyou

Sea Otter (Enhydra lutris)

Citation:

Breeding patterns and reproductive success of California sea otters

Author(s)
Riedman, Marianne L., James A. Estes, Michelle M. Staedler, Alisa A. Giles and David R. Carlson
Pages
391-399
Year
Issue
3
Volume
58
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type Age-Specific California Counties
Fledging or Weaning Rate 0.4 pre-weaning survival rate (mothers aged 3-6 years) Female Adult 5 Monterey Bay Exposure Factor Datasets 3-6 years Monterey
Fledging or Weaning Rate 0.75 pre-weaning survival rate (mothers aged 7-10 years) Female Adult 12 Monterey Bay Exposure Factor Datasets 7-10 years Monterey
Citation:

The sea otter in the eastern Pacific Ocean

Author(s)
Kenyon, Karl W.
Pages
1-352
Year
Issue
68
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size 1 litter size as indicated by reproductive tract examination pup Female Adult 278 reproductive tracts Amchitka Island Exposure Factor Datasets
Citation:

Movement and spatial use patterns of California sea otters

Author(s)
Ralls, Katherine, Thomas C. Eagle and Donald B. Siniff
Pages
1841-1849
Year
Volume
74
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Home Range daily home range, estimated from hourly trangulations during 24-hr watches using the minimum convex polygon method ha Female Adult 16 animals Monterey to San Luis Obispo Exposure Factor Datasets

Bullfrog (Lithobates catesbeianus formerly Rana catesbeiana)

Citation:

Intersexual differences in growth, mortality, and size at maturity in bullfrogs in central Ontario

Author(s)
Shirose, L.J., R.J. Brooks, J.R. Barta and S.S. Desser
Pages
2363-2369
Year
Issue
12
Volume
71
Exposure Endpoint Type Endpoint Value Units Sex Sample Size Location Type Age-Specific Countries Error
Growth Rate 0.1250 mm/d Female 10 Algonquin Provincal Park, Ontario [lat., 45^o35'N; long., 78^o30'W] Exposure Factor Datasets 4 yr CANADA 0.02155 SE
Growth Rate 0.0449 mm/d Female 5 Algonquin Provincal Park, Ontario [lat., 45^o35'N; long., 78^o30'W] Exposure Factor Datasets 5 yr CANADA 0.00996 SE
Citation:

"Double clutching" and its possible significance in the bullfrog

Author(s)
Emlen, Stephen T.
Pages
749-751
Year
Issue
4
Volume
1977
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutches or Litters per year Double clutching observed in 5 out of 73 females clutches/yr Female Adult 73 Exposure Factor Datasets

Pallid Bat (Antrozous pallidus)

Citation:

Metabolic strategies of pallid bats (Antrozous pallidus) during reproduction

Author(s)
Beasley, Laura J. and Michael Leon
Pages
159-166
Year
Issue
1
Volume
36
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties Condition
Time of Hatching or Parturition May 27-June 18 Female Adult 30 Napa Valley Exposure Factor Datasets Napa breeding
Metabolic Rate see citation no values reported; see figures in paper Female Adult 30 Napa Valley Exposure Factor Datasets Napa breeding
Citation:

Growth and development of young pallid bats, Antrozous pallidus

Author(s)
Davis, Russell
Pages
729-736
Year
Volume
50
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type
Age at Sexual Maturity 1 yr Female Yearling Not Reported Exposure Factor Datasets
Clutch or Litter Size pups Female Adult 50 Exposure Factor Datasets
Citation:

Natural history of the pallid bat, Antrozous pallidus (LeConte)

Author(s)
Orr, Robert T.
Pages
165-246
Year
Issue
4
Volume
28
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type California Counties Condition
Body Weight - Mean 24.3 g Female Adult 15 Exposure Factor Datasets Kern, San Luis Obispo ovulating

Desert Tortoise (Gopherus agassizi)

Citation:

Seasonal and annual energy budgets of female desert tortoises (Gopherus agassizii)

Author(s)
Henen, Brian T.
Pages
283-296
Year
Issue
1
Volume
78
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Torpor or Hibernation Sept. - Mar. Female Adult 9 Fenner Valley, Goffs (elev., 680m) {lat., 34^o51'N; long., 115^o09'W] Exposure Factor Datasets San Bernardino
Citation:

Age-size relationships of desert tortoises (Gopherus agassizi) in southern Nevada

Author(s)
Turner, Frederick B., Philip A. Medica and R. Bruce Bury
Pages
974-979
Year
Issue
4
Volume
1987
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Age at Sexual Maturity yr Female Adult Not Reported Rock Valley, Nye County (elev., 1020m) Exposure Factor Datasets
Clutch or Litter Size determined by x-ray examination of females eggs/clutch Female Adult 3 animals Rock Valley, Nye County (elev., 1020m) Exposure Factor Datasets

Western Meadowlark (Sturnella neglecta)

Citation:

Specific limits and distribution of meadowlarks of the desert grassland

Author(s)
Lanyon, Wesley E.
Pages
183-207
Year
Volume
79
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries
Body Weight - Mean 75.9 mean body weight g Female Adult 3 birds Exposure Factor Datasets MEXICO

Northern Red-legged Frog (Rana aurora) formerly Rana aurora ssp. aurora

Citation:

Natural mortality of tadpoles in a population of Rana aurora

Author(s)
Calef, George Waller
Pages
741-758
Year
Issue
4
Volume
54
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries Error
Time of Mating/ Laying Feb. - Apr. time of first observance of egg masses Female Adult observations over 3 yrs Marion Lake, southern British Columbia (elev., 300m) Exposure Factor Datasets CANADA
Clutch or Litter Size 531 #/egg mass Female Adult 35 egg masses Marion Lake, southern British Columbia (elev., 300m) Exposure Factor Datasets CANADA 19 SE
Citation:

Reproduction and development of the red-legged frog, Rana aurora, in northwestern Washington

Author(s)
Brown, Herbert A.
Pages
241-252
Year
Issue
4
Volume
49
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size 600 #/ egg mass Female Adult Not Reported Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) Exposure Factor Datasets

California Newt (Taricha torosa)

Citation:

The reproductive cycle in Taricha torosa (Triturus torosus)

Author(s)
Miller, Malcom R. and Marilyn E. Robbins
Pages
415-445
Year
Volume
125
Exposure Endpoint Type Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size ova/mature ovary Female Adult Not Reported Palo Alto Exposure Factor Datasets

Northern Sideblotched Lizard (Uta stansburiana ssp. stansburiana)

Citation:

The application of the density probability function to determine the home ranges of Uta stansburiana stansburiana and Cnemidophorus tigris tigris

Author(s)
Jorgensen, Clive D. and Wilmer W. Tanner
Pages
105-115
Year
Issue
2
Volume
19
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Error
Home Range 27.36 home range estimated by density probability function method (ranged 99.0% of the time in this area size) acres Female Adult 16 United States Atomic Energy Commission Nevada Test Site Exposure Factor Datasets 0.68

Sideblotched Lizard (Uta stansburiana)

Citation:

Comparative ecology of populations of the lizard Uta stansburiana

Author(s)
Parker, William S. and Eric R. Pianka
Pages
615-632
Year
Issue
4
Volume
1975
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size range of mean clutch sizes eggs/clutch Female Adult 13-44 animals/site and time period Phoenix South Mountain, Casa Grande, AZ; El Paso, TX [lat., 31-33] Exposure Factor Datasets
Citation:

The life and demography of the side-blotched lizard, Uta stansburiana

Author(s)
Tinkle, Donald W.
Pages
1 - 182
Year
Volume
132
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Body Weight - Mean range of average weights for snout-vent length size classes of 42-53 mm g Female Adult 1-29 lizards/size class and date Exposure Factor Datasets
Citation:

Reproduction by Uta stansburiana (Reptilia, Lacertilia, Iguanidae) in southern Nevada

Author(s)
Medica, Philip A. and Frederick B. Turner
Pages
123-128
Year
Issue
2
Volume
10
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size range of mean monthly clutch sizes for females >12 mo old, measured over a 10 yr period eggs/clutch Female Adult 1363 Rock Valley, Nye county Exposure Factor Datasets
Citation:

The effect of supplemental feeding on home range size and activity patterns in the lizard Uta stansburiana

Author(s)
Waldschmidt, Steve
Pages
1-5
Year
Volume
57
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Error
Home Range 153.6 home range estimated using convex polygon method m2 Female Adult Not Reported Carlsbad (elev., 1067m) Exposure Factor Datasets 24.7 (95%CI)

Desert Iguana (Dipsosaurus dorsalis)

Citation:

The ecology of the desert iguana Dipsosaurus dorsalis

Author(s)
Norris, Kenneth S.
Pages
265-287
Year
Volume
34
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type
Time of Mating/ Laying June - July time of laying Female Adult Not Reported Exposure Factor Datasets

Mourning Dove (Zenaida macroura)

Citation:

Metabolic responses of mourning doves to short-term food and temperature stresses in winter

Author(s)
Ivacic, Donald L. and Ronald F. Labisky
Pages
182-196
Year
Issue
2
Volume
85
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Condition Error Lab
Metabolic Rate 1.14 mean oxygen consumption during the light period at 10 deg C ml O2/g bw/hr Female Both Adults and Juveniles 14 captured at Dundee, IL Exposure Factor Datasets fasted 0.46 SD Laboratory

Brown Pelican (Pelecanus occidentalis)

Citation:

Variation in reproductivity with age in the brown pelican

Author(s)
Blus, Lawrence J. and Julie A. Keahey
Pages
128-134
Year
Volume
95
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type
Hatching Success 57.1% percent of eggs producing downy young in succesful nests (nests producing at least one young) Female Juvenile 7 nests Cape Romain National Wildlife Refuge Exposure Factor Datasets

Brush Rabbit (Sylvilagus bachmani ssp. ubericolor)

Citation:

The breeding biology of the brush rabbit population.

Author(s)
Chapman, Joseph A. and Amy L. Harman
Pages
816-823
Year
Volume
36
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size range of mean litter sizes over 2 yrs, based on embryo and placental scar counts young/litter Female Adult 9-15/yr E.E. Wilson Game Management Area, Corvallis Exposure Factor Datasets

California Ground Squirrel (Spermophilus beecheyi)

Citation:

Ecology of the California ground squirrel on grazing lands

Author(s)
Fitch, Henry S.
Pages
559-596
Year
Volume
39
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Body Weight - Mean range of monthly mean weights over 4 yrs g Female Adult 5 - 58/mo San Joaquin Experimental Range Exposure Factor Datasets
Citation:

Patterns of progesterone secretion in free-living California ground squirrels (Spermophilus beecheyi)

Author(s)
Holekamp, K.E., S. Nunes and F. Talamantes
Pages
1051-1059
Year
Issue
5
Volume
39
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type California Counties
Duration of Incubation or Gestation 28-30 d Female Adult 128 University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] Exposure Factor Datasets Santa Cruz

Audubon's Cottontail (Sylvilagus audubonii ssp. arizonae)

Citation:

Reproduction in the Audubon cottontail in Arizona

Author(s)
Sowls, Lyle K.
Pages
234-243
Year
Issue
2
Volume
38
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Age at Sexual Maturity < 9 earliest age when pregnancy noted mo Female Adult Not Reported southern portion of state Exposure Factor Datasets

Giant Garter Snake (Thamnophis gigas)

Citation:

Thamnophis gigas (Giant Garter snake) reproduction

Author(s)
Hansen, Robert W. and George E. Hansen
Pages
93-94
Year
Volume
21
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type Lab
Clutch or Litter Size 23.1 eggs/clutch Female Adult 18 captured in Fresno and Sacramento counties, CA Exposure Factor Datasets Laboratory

Common Garter Snake (Thamnophis sirtalis)

Citation:

Geographic variation in reproductive characteristics among Canadian populations of the common garter snake (Thamnophis sirtalis)

Author(s)
Gregory, Patrick T. and Karl W. Larsen
Pages
946-958
Year
Volume
1993
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries
Clutch or Litter Size range of site means based on sum of live and dead young and undeveloped eggs at parturition young/litter Female Adult 4 - 30/site Exposure Factor Datasets CANADA

Red-sided Garter Snake (Thamnophis sirtalis ssp. parietalis)

Citation:

Body mass and reproduction in female red-sided garter snakes (Thamnophis sirtalis parietalis)

Author(s)
Whittier, Joan M. and David Crews
Pages
219-226
Year
Volume
46
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Countries
Body Weight - Mean BW = -211.59 + 5.08SVL relationship between body weight (BW, g, 50-175g) and snout-vent length (SVL, cm, 55-75cm) for vitellogenic and non-vitellogenic females in 1983 (r2 = 0.899) g Female Adult 34 Manitoba Exposure Factor Datasets CANADA

California Least Tern (Sterna antillarum ssp. browni)

Citation:

Breeding biology of the California least tern

Author(s)
Massey, Barbara W.
Pages
1-24
Year
Volume
72
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties
Clutch or Litter Size 2 most frequent clutch size, 2 years Female Adult 96 nests Sunset Aquatic Park, Huntington Beach Exposure Factor Datasets Orange

Ornate Shrew (Sorex ornatus)

Citation:

Age, sex, and weight comparisons in three species of shrews

Author(s)
Rudd, Robert L.
Pages
323-338
Year
Volume
36
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Body Weight - Mean range of mean monthly weights g Female Adult 1-15/mo San Francisco Bay region Exposure Factor Datasets

Long-tailed Weasel (Mustela frenata)

Citation:

The sexual cycle of the male long-tailed weasel (Mustela frenata)

Author(s)
Wright, Philip L.
Pages
343-352
Year
Volume
28
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type
Clutches or Litters per year 1 litter/yr Female Adult Not Reported Exposure Factor Datasets

Deer Mouse (Peromyscus maniculatus ssp. artemisiae)

Citation:

Ecological notes on deer mice in Grand Teton National Park, Wyoming

Author(s)
Clark, Tim W.
Pages
14-16
Year
Volume
49
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size 6.2 based on embryo counts #/litter Female Adult 9 Grand Teton National Park Exposure Factor Datasets

Deer Mouse (Peromyscus maniculatus ssp. nubiterrae)

Citation:

Postnatal growth and development of Peromyscus maniculatus nubiterrae

Author(s)
Linzey, A. V.
Pages
152-155
Year
Volume
51
Exposure Endpoint Type Endpoint Value Units Sex Life Cycle Stage Sample Size Location Type Lab
Clutch or Litter Size 4.06 #/litter Female Adult 20 captured in Coche County, TN Exposure Factor Datasets Laboratory

Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)

Citation:

An altitudinal survey of reproduction in Peromyscus maniculatus

Author(s)
Dunmire, William W.
Pages
174-182
Year
Issue
1
Volume
41
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties Error
Clutch or Litter Size 4.88 potential litter size; estimated using the larger of corpora lutea count or embryo sites #/litter Female Adult 26 White Mountain (elev.,12,400 ft) Exposure Factor Datasets Mono 0.46 SE

Deer Mouse (Peromyscus maniculatus ssp. bairdii)

Citation:

Reproduction by Peromyscus maniculatus: size and compromise

Author(s)
Myers, Philip and Lawrence L. Master
Pages
1-18
Year
Volume
64
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Condition Lab
Body Weight - Mean Range of mean body weights for females with varying litter sizes (2-9) g Female Adult 4 - 111 Exposure Factor Datasets At conception Laboratory

Northwestern Fence Lizard (Sceloporus occidentalis ssp. occidentalis)

Citation:

Home range in the western fence lizard (Sceloporus occidentalis occidentalis)

Author(s)
Davis, John and R. Glenn Ford
Pages
933-940
Year
Issue
4
Volume
1983
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Age-Specific California Counties Condition
Home Range 61.20 home range reported as minimum area probability (0.95 level); minimum area which will contain a given proportion (95%) of the total observations of the average individual m2 Female Adult 10 animals Hastings Natural History Reservation, Carmel Valley Exposure Factor Datasets 2+ yr Monterey nonbreeding

Kit Fox (Vulpes macrotis)

Citation:

Notes on ecology and food of the Kit fox in Central Utah

Author(s)
Smith, Dwight G.
Pages
96 - 98
Year
Issue
2
Volume
3
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size 2.5 mean litter size pups Female Adult 8 litters Exposure Factor Datasets

Citation:
Exposure Endpoint Type Endpoint Value Units Sex Sample Size Location Type Lab
Body Fat (total or %) 100 g Female 20 Exposure Factor Datasets Laboratory

Blunt-nosed Leopard Lizard (Gambelia sila formerly Gambelia silus)

Citation:

Effect of drought on blunt-nosed leopard lizards (Gamelia sila)

Author(s)
Germano, David J., Daniel F. Williams and Walter Tordoff III
Pages
11-19
Year
Issue
1
Volume
75
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties
Time of Mating/ Laying May - June time of laying Female Adult Not Reported Elkhorn Plain (elev., 685-765m) Exposure Factor Datasets San Luis Obispo

Coachella Valley Fringe-toed Lizard (Uma inornata)

Citation:

Home range dynamics of the Coachella Valley fringe-toed lizard

Author(s)
Horchar, Victor M.
Pages
61
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties Error
Home Range 437 average home range estimated using minimum convex polygon method (snout-vent length, 70+mm) m2 Female Adult 37 Whitewater Floodplain Reserve, Palm Springs Exposure Factor Datasets Riverside 168 (95CI)
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