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Empidonax traillii ssp. extimus

Citation:

Empidonax traillii extimus: An endangered subspecies

Author(s)
Unitt, Philip
Pages
137-162
Year
Volume
18
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Time of Nesting June 1 estimated beginning of nesting based on historic egg collections Both Male and Female Adult coastal southern CA; Colorado River; upper San Pedro River, AZ 187 dated egg sets Exposure Factor Datasets

Empidonax traillii

Citation:

Ecology of a Sierra Nevada population of willow flycatchers

Author(s)
Flett, Mary Anne and Susan D. Sanders
Pages
37-42
Year
Volume
18
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal early to mid-June timing of arrival of spring migrants Both Male and Female Adult Perazzo Meadows, Lacey Valley (32 km NW of Truckee) Not Reported Exposure Factor Datasets
Time of Mating/ Laying mid-June time by which first eggs laid Both Male and Female Adult Perazzo Meadows, Lacey Valley (32 km NW of Truckee) 11 nests Exposure Factor Datasets
Time of Hatching or Parturition June 30 time by which first eggs hatched Both Male and Female Adult Perazzo Meadows, Lacey Valley (32 km NW of Truckee) 11 nests Exposure Factor Datasets
Time of Fledging or Metamorphosis July 15-August 13 dates on which first and last young fledged Both Male and Female Adult Perazzo Meadows, Lacey Valley (32 km NW of Truckee) 11 nests Exposure Factor Datasets
Time of Migration or Dispersal August 31 date by which last fall migrants departed Both Male and Female Adult Perazzo Meadows, Lacey Valley (32 km NW of Truckee) Not Reported Exposure Factor Datasets
Fledging or Weaning Rate 1.3 average number of fledglings per nest 1.3 SD 0-3 or 4 fledglings/nest Not Reported Fledgling Perazzo Meadows, Lacey Valley (32 km NW of Truckee) 11 nests Exposure Factor Datasets
Fledging or Weaning Rate 29% total egg-to-fledgling success rate Not Reported Fledgling Perazzo Meadows, Lacey Valley (32 km NW of Truckee) 5 nests Exposure Factor Datasets
Hatching Success 24/31 total number of eggs hatched relative to estimate of total eggs laid eggs hatched/eggs laid Not Reported Nestling Perazzo Meadows, Lacey Valley (32 km NW of Truckee) 11 nests Exposure Factor Datasets
Territory Size 3000 average territory size of paired males based on observed perch locations 2000 SD 800-7000 m^2 Male Adult Perazzo Meadows, Lacey Valley (32 km NW of Truckee) 8 territories Exposure Factor Datasets
Citation:
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 3.68 mean clutch size in first nests 0.1 SE 3-5 eggs/nest Female Adult Wooster and Toledo, OH; Fremont, NE 31 nests Exposure Factor Datasets
Clutch or Litter Size 3.14 mean clutch size in renests 0.1 SE 2-4 eggs/nest Female Adult Wooster and Toledo, OH; Fremont, NE 29 nests Exposure Factor Datasets
Citation:

Nest success and age-specific mortality in Traill's flycatchers

Author(s)
Holcomb, Larry C.
Pages
837-841
Year
Volume
89
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Fledging or Weaning Rate 36.4% percent of young fledged of total eggs laid Not Reported Fledgling Wooster, Toledo, OH; Fremont, NE 272 eggs, 91 nests Exposure Factor Datasets
Hatching Success 54.8 % percent of eggs hatched of total eggs laid Not Reported Hatchling Wooster, Toledo, OH; Fremont, NE 272 eggs, 91 nests Exposure Factor Datasets
Fledging or Weaning Rate 1.11 mean fledglings in nests of known numbers of eggs fledglings/nest Not Reported Fledgling Wooster, Toledo, OH; Fremont, NE 89 nests Exposure Factor Datasets
Survival/ Mortality see figure in citation figure showing percent survival over time of eggs and nestlings Not Reported Embryo, Nestling Wooster, Toledo, OH; Fremont, NE 272 eggs, 91 nests Exposure Factor Datasets
Citation:

A high incidence of brown-headed cowbird parasitism of willow flycatchers

Author(s)
Sedgwick, James A. and Fritz L. Knopf
Pages
253-256
Year
Volume
90
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Fledging or Weaning Rate 56.3% percent of unparasitized nests with at least one fledgling Not Reported Fledgling Illinois River, Arapahoe National Wildlife Refuge (elev. 2,500 m) 16 nests Exposure Factor Datasets
Fledging or Weaning Rate 18.2% percent of parasitized nests with at least one fledgling Not Reported Fledgling Illinois River, Arapahoe National Wildlife Refuge (elev. 2,500 m) 11 nests Exposure Factor Datasets
Citation:

Feeding-time minimization and the territorial behavior of the willow flycatcher (Empidonax traillii)

Author(s)
Prescott, David R.C. and Alex L.A. Middleton
Pages
17-28
Year
Volume
105
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 4 first clutch size in 13/14 females observed eggs/nest Female Adult Badenoch Swamp, 14 km SE of Guelph (69 deg, 32'N, 80 deg, 13' W) 14 females Exposure Factor Datasets
Territory Size 3,009 mean territory size based on observed perch sites and territorial disputes 153 SE m^2 Male Adult Badenoch Swamp, 14 km SE of Guelph (69 deg, 32'N, 80 deg, 13' W) 61 observation periods Exposure Factor Datasets
Dietary Composition Mollusca (4), Arachnida (19), Isopoda (4), Orthoptera (15), Hemiptera (56), Coleoptera (7), Lepidoptera adult (20), Lepidoptera larvae (10), Diptera adult (188), Hymenoptera adult (9), Hymenoptera larvae (1) numbers of food items delivered to nestlings fitted with neck ligatures Not Reported Nestling Badenoch Swamp, 14 km SE of Guelph (69 deg, 32'N, 80 deg, 13' W) 333 food items collected Exposure Factor Datasets
Citation:

The energetic consequences of incubation for two passerine species

Author(s)
Walsberg, Glenn E. and James R. King
Pages
644-655
Year
Volume
95
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Surface Area 0.00487 estimated area of the external plumage surface (geometrical approximation) of 13.2 g bird m^2 Not Reported Adult Not Reported Exposure Factor Datasets
Body Weight - Mean 13.2 mean body weight during breeding season g Female Adult collection location George E. Hudson Biological Reserve, Whitman County 5 birds Exposure Factor Datasets
Metabolic Rate 0.325 predicted daytime basal metabolic rate W Not Reported Adult collection location George E. Hudson Biological Reserve, Whitman County Not Reported Exposure Factor Datasets
Metabolic Rate 0.241 predicted night time basal metabolic rate W Not Reported Adult collection location George E. Hudson Biological Reserve, Whitman County Not Reported Exposure Factor Datasets

Dipodomys merriami

Citation:

Range use patterns and spatial relationships of Merriams's kangaroo rats (Dipodomys merriami)

Author(s)
Behrends, Philip, Martin Daly and Margo I. Wilson
Pages
187-209
Year
Volume
96
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Home Range range of mean home range in 3 study periods estimated by radiotelemetry 0.21 - 0.43 ha Female Adult Boyde Deep Canyon Reserve (elev., 300m) 7-10 Exposure Factor Datasets
Home Range range of mean home range in 3 study periods estimated by radiotelemetry 0.18 - 0.52 ha Male Adult Boyde Deep Canyon Reserve (elev., 300m) 8-11 Exposure Factor Datasets
Population Density 6 #/ha Both Male and Female Adult Boyde Deep Canyon Reserve (elev., 300m) Not Reported Exposure Factor Datasets
Citation:

Reproduction and food habits of Merriam's kangaroo rat, Dipodomys merriami

Author(s)
Bradley, W. Glenn and Roger A. Mauer
Pages
497-507
Year
Issue
3
Volume
52
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutches or Litters per year 1-2 litters/yr Female Adult Las Vegas Valley, Clark County (elev., 2500 ft) Not Reported Exposure Factor Datasets
Body Weight - Mean see citation figure of seasonal changes in mean body weight g Both Male and Female Adult Las Vegas Valley, Clark County (elev., 2500 ft) 2-96/mo Exposure Factor Datasets
Citation:

A comparative study of growth and development of the kangaroo rats, Dipodomys deserti stephens and Dipodomys merriami mearns

Author(s)
Butterworth, Bernard B.
Pages
127-139
Year
Volume
25
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean see citation figure of changes in weight over time g Not Reported Juvenile adults captured at Alpine Butte, Los Angeles County, CA 4 litters Exposure Factor Datasets
Growth Rate see citation figure of changes in weight over time g Not Reported Juvenile adults captured at Alpine Butte, Los Angeles County, CA 4 litters Exposure Factor Datasets
Citation:

Energy relationships of the mammals of a desert shrub (Larrea tridentata) community

Author(s)
Chew, Robert M. and Alice Eastlake Chew
Pages
1-20
Year
Issue
1
Volume
40
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Age at Fledging, Metamorphosis, Weaning 20 - 25 d Both Male and Female Juvenile San Simon Valley, Portal (elev., 1370 m) Not Reported Exposure Factor Datasets
Time of Hatching or Parturition Jan. - Mar. (begin); Apr. - May (peak); Aug. (end) Female Adult San Simon Valley, Portal (elev., 1370 m) Not Reported Exposure Factor Datasets
Metabolic Rate OC = 5.32 - 0.134 T equation relating oxygen consumption (OC) to temperature (T, 29-35C) ml O2/g/hr Both Male and Female Adult captured at San Simon Valley, AZ from Aug. - July 6/sampling period; 10 periods Exposure Factor Datasets
Citation:

The relation of oxygen consumption to temperature in desert rodents

Author(s)
Dawson, William R.
Pages
543-552
Year
Volume
36
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Metabolic Rate 1.2 average oxygen consumption rate at 31-34C cc O2/g/hr Not Reported Not Reported captured at Lovejoy Buttes, Los Angeles County, CA 25 Exposure Factor Datasets
Metabolic Rate OC = 3.57 + (-0.176)(T - 20.14) equation relating oxygen consumption (OC) to ambient temperature (T, 9-31C) cc O2/g/hr Not Reported Not Reported captured at Lovejoy Buttes, Los Angeles County, CA 25 Exposure Factor Datasets

Peromyscus maniculatus

Citation:

Energy relationships of the mammals of a desert shrub (Larrea tridentata) community

Author(s)
Chew, Robert M. and Alice Eastlake Chew
Pages
1-20
Year
Issue
1
Volume
40
Exposure Endpoint Type Endpoint Value Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 0.70 0 - 3.3 #/ha Both Male and Female Both Adults and Juveniles San Simon Valley, Portal (elev., 1370 m) Not Reported Exposure Factor Datasets

Dipodomys nitratoides

Citation:

The reproduction of heteromyid rodents in captivity

Author(s)
Eisenberg, John F. and Donald E. Isaac
Pages
61-67
Year
Volume
44
Exposure Endpoint Type Endpoint Value Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 2.3 1 - 3 pups/litter Female Adult 12 litters Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning 21 - 24 d Not Reported Juvenile Not Reported Exposure Factor Datasets
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