Clutches or Litters per year
American Robin (Turdus migratorius)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|
Clutches or Litters per year | 2 | B | Embryo | Montreal | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Units | Sample Size | Location | Type | Condition | Countries |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | 2 to 3 | Clutch/y | Not reported | Exposure Factor Datasets | Breeding | USA |
Pacific Green Turtle (Chelonia mydas)
Exposure Endpoint Type | Endpoint Value | Units | Life Cycle Stage | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | 4.3 | Clutches/yr | Embryo | Playa Cabuyal, NW Costa Rica | Exposure Factor Datasets | COSTA RICA | 2.3 |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 2.4 | Clutches/yr | F | Adult | 7689 females, 8658 clutches | Aves Island | Exposure Factor Datasets | VENEZUELA |
Exposure Endpoint Type | Endpoint Value | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|
Clutches or Litters per year | 0.75 | Embryo | 3 nests | Patara Beach | Exposure Factor Datasets | TURKEY |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Location | Type |
---|---|---|---|---|---|
Clutches or Litters per year | Review | F | Adult | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | 2 | cluthes/yr | Embryo | 2261 clutches | Aves Island Wildlife Refuge | Exposure Factor Datasets | VENEZUELA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 5.13 | Clutch freq. from observation+ultrasonography | Number clutches/nesting season | F | Adult | 24 | Nicoya Peninsula, Guanacaste Province | Exposure Factor Datasets | Breeding | COSTA RICA | 1.32 |
Clutches or Litters per year | 3.67 | Clutch freq. from observation | Number clutches/nesting season | F | Adult | 24 | Nicoya Peninsula, Guanacaste Province | Exposure Factor Datasets | Breeding | COSTA RICA | 1.79 |
Exposure Endpoint Type | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | F | Adult | 10 females | Playa Colola, Aquila, Michoacan | Exposure Factor Datasets | Nesting | MEXICO |
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Endpoint Value | Units | Life Cycle Stage | Location | Type | Error |
---|---|---|---|---|---|---|
Clutches or Litters per year | 2.29 | Clutches per female | Adult | Exposure Factor Datasets | 0.37 | |
Clutches or Litters per year | 7.07 | Eggs per female | Adult | Exposure Factor Datasets | 1.17 | |
Clutches or Litters per year | 2.02 | Clutches per female | Adult | Exposure Factor Datasets | 0.17 | |
Clutches or Litters per year | 1.47 | Clutches per female | Adult | Exposure Factor Datasets | 0.1 |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | number of broods raised in one nesting season | clutches/yr | Both Male and Female | Adult | 9 pairs | Lawrence | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA |
Exposure Endpoint Type | Endpoint Value | Units | Sample Size | Location | Type |
---|---|---|---|---|---|
Clutches or Litters per year | 5 | litters/year | 20 | Exposure Factor Datasets | |
Clutches or Litters per year | 1 | litter/yr | 25 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sample Size | Location | Type |
---|---|---|---|---|---|
Clutches or Litters per year | 2 | litters/year | 1 female | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Location | Type |
---|---|---|---|---|
Clutches or Litters per year | 2 | maximum number of broods attempted by individual birds within one breeding season | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | estimated by dividing breeding season length by gestation time | litters/yr | Female | Adult | Not Reported | Exposure Factor Datasets | Alameda, Contra Costa, Lake, Marin, Napa |
California Vole (Microtus californicus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
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 | ||
Clutches or Litters per year | 0.2 | litters per female per 12 wks | litters/12 wks | Female | Adult | 12 | Exposure Factor Datasets | subadult (4 wks) | 0.1 SE | Laboratory | |
Clutches or Litters per year | 0.5 | litters per female per 12 wks | litters/12 wks | Female | Adult | 24 | Exposure Factor Datasets | subadult (4 weeks) | 0.2 SE | Laboratory | |
Clutches or Litters per year | 1.9 | litters per female per 12 wks | litters/12 wks | Female | Adult | 12 | Exposure Factor Datasets | adult | 0.2 SE | Laboratory | |
Clutches or Litters per year | 0.3 | litters per female per 12 wks | litters/12 wks | Female | Adult | 12 | Exposure Factor Datasets | subadult (4 wks) | 0.2 SE | Laboratory |
Long-tailed Weasel (Mustela frenata)
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 |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | litter/yr | Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Sideblotched Lizard (Uta stansburiana)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | 124 | Snake River Valley (elev., 530-750m) | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | 162 | San Gabriel Mountains (elev., 1585-1829m) | Exposure Factor Datasets | Los Angeles |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | 1363 | Rock Valley, Nye county | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | Deschutes River, Jefferson county (elev., 732m) | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | Stansbury and Granstville, UT [lat., 40] | Exposure Factor Datasets |
Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | El Paso, TX; Casa Grande, Phoenix South Mountain, AZ | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | at least 3 | clutches/yr | Female | Adult | Not Reported | Exposure Factor Datasets |
Audubon's Cottontail (Sylvilagus audubonii)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | >2 | litters/yr | Female | Adult | Not Reported | Exposure Factor Datasets |
Loggerhead Shrike (Lanius ludovicianus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | number of clutches laid per season per pair | clutches/pair | Both Male and Female | Adult | 10 pairs | Archbold Biological Station, Highlands County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | number of second clutches laid per season | clutches/yr | Both Male and Female | Adult | 27 pairs | Archbold Biological Station | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Both Male and Female | Adult | 49 nests | York County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | clutches/yr | Both Male and Female | Adult | 77 pairs | Pawnee National Grassland | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Both Male and Female | Adult | 122 pairs | Lawton, Comanche County | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Both Male and Female | Adult | 48 pairs | southern Minnesota | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Both Male and Female | Adult | 27-52 pairs/yr | eastern Ontario, Quebec | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
---|---|---|---|---|
Clutches or Litters per year | review | Exposure Factor Datasets | CANADA, USA |
Bullfrog (Lithobates catesbeianus formerly Rana catesbeiana)
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 |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | Crane Pond, E.S. George Reserve | Exposure Factor Datasets |
California Ground Squirrel (Spermophilus beecheyi)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | litters/yr | Female | Adult | Not Reported | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | litter/yr | Female | Adult | 128 | University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] | Exposure Factor Datasets | Santa Cruz |
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 |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | evidence for 2nd litter in 20% of reproductively active females | litters/yr | Female | Adult | Not Reported | Coho creek | Exposure Factor Datasets | Tulare |
Stephens' Kangaroo Rat (Dipodomys stephensi)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | range over 2 yrs | litters/yr | Female | Adult | 8-14/yr | Motte Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Location | Type |
---|---|---|---|---|---|
Clutches or Litters per year | 1 | Not Reported | Not Reported | Exposure Factor Datasets |
Riparian Brush Rabbit (Sylvilagus bachmani ssp. riparius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | review | reported 3-4 litters per season (data source not specified) | Female | Adult | Not Reported | Exposure Factor Datasets |
Western Snowy Plover (Charadrius nivosus ssp. nivosus formerly Charadrius alexandrinus ssp. nivosus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 2 | number of clutches laid by 30 out of 81 total nesting females | clutches/yr | Female | Adult | 81 nesting females | Mono Lake (elev. 1,940 m) | Exposure Factor Datasets | Mono |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | 2 | clutches/year | Both Male and Female | Adult | about 5 each | Rockefeller University field research center | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 2 | clutches/year | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 2-3 | broods/year | Not Reported | Adult | Not Reported | Mandarte island | Exposure Factor Datasets | CANADA |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1.9 | litters/yr | Female | Adult | 38 | Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | CANADA | 0.1 SE |
California Sea Lion (Zalophus californianus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | range of fecundity over 4 yrs; peak pup/peak female counts | pups/female/yr | Female | Adult | 4360-6952 pups | San Nicolas Island | Exposure Factor Datasets |
Sea Otter (Enhydra lutris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | Pr {giving birth in a year} = 1- (1-p1)^120(1-p2)^65 | p1 = daily probability of becoming pregnant during the high probability period p2 = daily probability of becoming pregnant during the remaining part of the year. p1 and p2 = 0.02 and 0.00067, respectively, based on observations from Prince William Sound, |
Female | Adult | 1,482 | Aleutian islands, AK | Exposure Factor Datasets | 2-16 years |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 0.9 | annual reproductive rate based on number of pups born during monitoring period | pups/year | Female | Adult | 13 animals | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | annual reproductive rate, based on field count, sex ratio, reproductive tract data | % | Both Male and Female | Adult | Not Reported | Amchitka Island | Exposure Factor Datasets |
Least Bell's Vireo (Vireo bellii ssp. pusillus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | annual clutch numbers per pair observed over 2 years | clutches/yr | Both Male and Female | Adult | 43-48 pairs (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Western Fence Lizard (Sceloporus occidentalis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | clutches/yr | Female | Adult | 93 | Strawberry Canyon, Berkeley Hills | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | central Sierra Nevada (elev., 1500 or 2200m) | Exposure Factor Datasets |
Desert Iguana (Dipsosaurus dorsalis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | clutch/yr | Female | Adult | Not Reported | Dale Dry Lake, Palm Springs and Algodones Dunes | Exposure Factor Datasets | Imperial, Riverside, San Bernardino |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 5.85-5.98 | average number of nest attempts by individual pairs | nests/year | Both Male and Female | Adult | 1108-1443 nests/year | Lewis, Cass County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 4.4 | mean number of nest attempts made per pair per year | nests/yr | Both Male and Female | Adult | 7 marked pairs | Texas A&M College campus | Exposure Factor Datasets |
San Joaquin Fence Lizard (Sceloporus occidentalis ssp. biseriatus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1-3 | clutches/yr | Female | Adult | Not Reported | Puente Hills, Whittier (elev., 150 m) | Exposure Factor Datasets | Los Angeles |
Clutches or Litters per year | 1-2 | clutches/yr | Female | Adult | Not Reported | San Gabriel Mountains, Crystal Lake (elev., 1584 m) | Exposure Factor Datasets | Los Angeles |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1-3 | clutches/yr | Female | Adult | 118 | Puente Hills and San Gabriel River, Whittier | Exposure Factor Datasets | Los Angeles |
Western Pond Turtle (Actinemys marmorata formerly Clemmys marmorata)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | range of average number of clutches/yr | clutches/yr | Female | Adult | 81 clutches | Arroyo Laguna, Little Pico Creek, Pico Creek and San Simeon Creek | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | 4 | litters/yr | Female | Adult | 110 litters | Taylor, Williamson County | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | litters/yr | Female | Adult | Not Reported | Cascade Mountains, Fish Lake [lat., 47^o, 49'N; long., 120^o, 40'W] | Exposure Factor Datasets |
Blunt-nosed Leopard Lizard (Gambelia sila formerly Gambelia silus)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | 11 | Elkhorn Plain | Exposure Factor Datasets | San Luis Obispo |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare |
California Least Tern (Sterna antillarum ssp. browni)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | normal number of broods per year | Both Male and Female | Adult | Not Reported | Sunset Aquatic Park, Huntington Beach; Santa Margarita Lagoon | Exposure Factor Datasets | Orange |
Ensatina (Ensatina eschscholtzii)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | clutch/yr | Female | Adult | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa |
Desert Tortoise (Gopherus agassizi)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | 19 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | range of means for 3 yrs; overall range = 1-3 | clutches/yr | Female | Adult | 20-26 animals | Ivanpah Valley, Goffs | Exposure Factor Datasets | San Bernardino |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1.9 | Female | Adult | 19 animals | Fenner Valley, Goffs (elev., 732m) | Exposure Factor Datasets | San Bernardino | 0.1SE |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | range of means for 2 yr period | clutches/yr | Female | Adult | 15-40 animals | Ivanpah Valley [lat., 35^o23'N; long., 115^o18'W] | Exposure Factor Datasets | San Bernardino |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 8.2 | mean annual fecundity for tortoises with mean carapace length of 247.4 mm | eggs/yr | Female | Adult | 30 | Yucca Mountain, Nye County (elev., 1000-1500m) [lat., 36^o51'; long., 116^o25' W] | Exposure Factor Datasets | 0.5 SE |
Desert Sideblotched Lizard (Uta stansburiana ssp. stejnegeri)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | 3 | clutches/yr | Female | Adult | Not Reported | Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) | Exposure Factor Datasets |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | 11 nests | Utah Lake, Utah County | Exposure Factor Datasets |
Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | litters/yr | Female | Adult | Not Reported | Las Vegas Valley, Clark County (elev., 2500 ft) | Exposure Factor Datasets |
Pacific Treefrog (Pseudacris regilla formerly Hyla regilla)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | estimated by number of times a female was found in amplexus with palpable eggs | clutches/yr | Female | Adult | Not Reported | San Diego | Exposure Factor Datasets |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 2 | usual number of nesting attempts per year | nests/yr | Female | Adult | Not Reported | Exposure Factor Datasets |
Southwestern Willow Flycatcher (Empidonax traillii ssp. extimus)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Brush Rabbit (Sylvilagus bachmani ssp. ubericolor)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | estimated by dividing length of breeding season by gestation period or time required to produce a litter | litters/yr | Female | Adult | Not Reported | E.E. Wilson Game Management Area, Corvallis | Exposure Factor Datasets |