Both Male and Female
Island Night Lizard (Xantusia riversiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Growth Rate | 0.05 | increase in snout-vent length during 1st yr | mm/d | Both Male and Female | 14 | San Clemente Island | Exposure Factor Datasets | 0-1 yr |
Growth Rate | 0.03 | increase in snout-vent length during 2nd yr | mm/d | Both Male and Female | 12 | San Clemente Island | Exposure Factor Datasets | 1-2 yr |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | September | period of departure for fall migration | Both Male and Female | Both Adults and Juveniles | Not Reported | Gray Lodge State Refuge | Exposure Factor Datasets | Butte |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.716 | overall survival of radiomarked individuals | Both Male and Female | Adult | 315 | Davisdale and Mussel Fork Wildlife Areas | Exposure Factor Datasets | 0.651-0.782 95% CI |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of total annual nesting population, over 3 yrs | pairs | Both Male and Female | Adult | 65-100 pairs | Madelia Research Center, Watonwan County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 75% | proportion of active nests that fledged young | Both Male and Female | Adult | 24 nests | Idaho National Engineering Laboratory | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | turkey mullein, buckthorn weed, milk thistle, safflower, red maids, California poppy, chickweed, miner's lettuce | principal dietary items in crop contents | Both Male and Female | Both Adults and Juveniles | 152 crops | Sacramento Valley | Exposure Factor Datasets | Butte |
Desert Sideblotched Lizard (Uta stansburiana ssp. stejnegeri)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | mo | Both Male and Female | Adult | 1907 | Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) | Exposure Factor Datasets | ||
Time of Mating/ Laying | Apr. - June | time of breeding | Both Male and Female | Adult | 1907 | Palo Duro Canyon, Armstrong County (elev., 2000-3600 ft); Kermit , Winkler County and Monahans, Ward County (elev., 2800 ft) | Exposure Factor Datasets |
Santa Cruz Long-toed Salamander (Ambystoma macrodactylum ssp. croceum)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 2 | yr | Both Male and Female | Adult | Not Reported | Valencia Lagoon, Rio Del Mar | Exposure Factor Datasets | Santa Cruz | |
Growth Rate | see citation | figure of seasonal changes in total length | Both Male and Female | Juvenile | Not Reported | Valencia Lagoon, Rio Del Mar | Exposure Factor Datasets | Santa Cruz |
Audubon's Cottontail (Sylvilagus audubonii ssp. vallicola)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Foraging Distance | range of average foraging diameters for rabbits with 5 recapture rates, overall range 30 - 1450 ft. | ft | Both Male and Female | Both Adults and Juveniles | 5 - 39 | San Joaquin Experimental Range | Exposure Factor Datasets |
Home Range | acres | Both Male and Female | Both Adults and Juveniles | Not Reported | San Joaquin Experimental Range | Exposure Factor Datasets |
California Ground Squirrel (Spermophilus beecheyi)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | range of means for 2 yrs | #/ha | Both Male and Female | Adult | Not Reported | Camp Ohlone [lat., 37^o29'N; long., 121^o45'W] | Exposure Factor Datasets | Alameda |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Body Weight - Mean | g | Both Male and Female | Adult | Not Reported | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Mar. - Apr. | Both Male and Female | Adult | Not Reported | Davis and Dixon | Exposure Factor Datasets | Solano, Yolo |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 9-10 | mo | Both Male and Female | Juvenile | Not Reported | Santa Barbara; Bell Ranch; Hastings Reservation | Exposure Factor Datasets | Monterey |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Food Ingestion Rate | range of total food weight for observed individuals | g dry wt/d | Both Male and Female | Adult | 6 | San Joaquin Experimental Range | 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 |
---|---|---|---|---|---|---|---|
Home Range | review | reported home range for males was 957m2 for males and 244 m2 for females (from unpublished reports) | Both Male and Female | Not Reported | Not Reported | Caswell Memorial State Park | Exposure Factor Datasets |
Population Density | review | reported overall population density at carrying capacity is 3 animals/ha (from unpublished reports) | Both Male and Female | Not Reported | Not Reported | Caswell Memorial State Park | Exposure Factor Datasets |
Brown Pelican (Pelecanus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 90.5 | growth rate during maximum growth phase | g/day | Both Male and Female | Nestling | 65 chicks | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 1.8 SE |
Body Weight - Mean | 27.6 | hatch weight | g | Both Male and Female | Hatchling | 11 chicks | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 1.2 SE |
California Vole (Microtus californicus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 30 | time when females became perforate and males became scrotal | d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory | |
Duration of Incubation or Gestation | d | Both Male and Female | Embryo | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Sept/Oct. - May/June | breeding; > 50% in reproductive condition | Both Male and Female | Adult | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Home Range | range of average maximum distance between captures for groups recaptured 2-9 times | m | Both Male and Female | Not Reported | Not Reported | San Pablo salt marsh | Exposure Factor Datasets | Contra Costa |
Alameda Whipsnake (Masticophis lateralis ssp. euryxanthus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | May | time of mating | Both Male and Female | Adult | 4 | outdoor enclosures, Hayward, CA | Exposure Factor Datasets | Laboratory |
Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Longevity | 8.3 | mean length of life at study site | mo | Both Male and Female | Not Reported | Not Reported | Jacumba (elev., 988 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 0.243 | acres | Both Male and Female | Juvenile | Not Reported | Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) | Exposure Factor Datasets |
California Least Tern (Sterna antillarum ssp. browni)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Territory Size | 40 | radius of nesting territory | cm | Both Male and Female | Adult | Not Reported | Huntington Beach State Park | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Population Density | 40 | density of nests at one colony | nests/1400 m^2 | Both Male and Female | Adult | 1 colony | Cuixmala Beach [19 deg, 22'14"N, 104 deg 59'31"W] | Exposure Factor Datasets | MEXICO |
Ornate Shrew (Sorex ornatus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean monthly weights | g | Both Male and Female | Juvenile | 1-7/mo | San Francisco Bay region | Exposure Factor Datasets | |
Time of Mating/ Laying | spring | time of breeding | Both Male and Female | Adult | Not Reported | San Francisco Bay region | Exposure Factor Datasets |
Southwestern Willow Flycatcher (Empidonax traillii ssp. extimus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | population density in a 360 km riparian corridor as indicated by active nest counts | nests found/yr | Both Male and Female | Adult | 6 sampling yrs | Colorado River, Grand Canyon National Park | Exposure Factor Datasets | |
Time of Nesting | June 2-July 10 | estimated length of breeding season (period when eggs or young are in the nest) | Both Male and Female | Adult | 6 sampling yrs | Colorado River, Grand Canyon National Park | Exposure Factor Datasets |
Great Horned Owl (Bubo virginianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 9/16 | fraction of nests that sucessfully raised at least one nestling to the age of 4 weeks | successful nests/total nests | Both Male and Female | Adult | 16 nests | Pima and Pinal Counties | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 4.83 | mean territory size of territorial pairs | square km | Both Male and Female | Adult | 16 territories | Kluane Lake (60 deg57'N, 138deg12'W), Yukon | Exposure Factor Datasets | CANADA | 0.40 SE |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of numbers of nesting pairs counted annually on a 1476 sq km study site | pairs/study site | Both Male and Female | Adult | 4 years | Hanford Site, Benton and Franklin Counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Nesting | mid-Feb to Jun 20 | period from first territory selection to last brood fledged | Both Male and Female | Adult | 15 nests | south-central Montana | Exposure Factor Datasets |
Stephens' Kangaroo Rat (Dipodomys stephensi)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 30 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 22 d | Laboratory | |
Body Weight - Mean | 40 | g | Both Male and Female | Juvenile | 16 | Exposure Factor Datasets | 31 d | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | see citation | figure of monthly population densities at two sites | #/ha | Both Male and Female | Not Reported | Not Reported | Motte Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
Longevity | 19 | maximum time of persistence at site | mo | Both Male and Female | Adult | Not Reported | Motte Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
Least Bell's Vireo (Vireo bellii ssp. pusillus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | percent of nesting pairs that successfully raised at least one young (range over two years) | % | Both Male and Female | Adult | 43-48 pairs (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
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 |
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Territory Size | nesting territory size | ac | Both Male and Female | Adult | 5 pairs | Bloomington | Exposure Factor Datasets | |
Time of Mating/ Laying | May 25, 26 (first clutch); June 10, 17 (second clutch) | initiation dates of first and second clutches | Both Male and Female | Adult | 2 nests | Bloomington | Exposure Factor Datasets |
Coyote (Canis latrans)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Body Weight - Mean | lbs | Both Male and Female | Juvenile | 47 | Sagehen Creek Field Station, Truckee (elev., 5000-6300 ft) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 25.9 | 85% harmonic mean estimate of home range for "transient" class | km2 | Both Male and Female | Both Adults and Juveniles | 12 | Jornada Experimental Range, Dona Ana County (elev., 1320-1390 m) | Exposure Factor Datasets | 6.5 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 30 | d | Both Male and Female | Juvenile | 6 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | mule deer (35.2%); cattle (11.5%); sheep (3.7%); coyote (2.9%); Microtus sp. (47.7%); Thomomys sp. (6.8%); Lepus americanus (4.4%); Marmota flaviventris (3.9%); Citellus lateralis (3.9%); Erethizon dorsatum (3.7%); song birds (3.7%); other insects (4.7%); pine and fir needles (19%); grass (17.6%); other vegetable matter (8.7%) | % of scats containing food item | % | Both Male and Female | Adult | 384 scats | Sagehen Creek Field Station, Truckee | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.70 | overall annual survival rate (autumn-autumn), estimated over 4 yr periods | Both Male and Female | Adult | 88 | Webb County | Exposure Factor Datasets | > 1.5 yr | 0.58 - 0.82 (95% CL) |
Ensatina (Ensatina eschscholtzii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | sow bugs (42%); centipedes (42%); spiders (60%); springtails (47%); beetles (36%); caterpillars (5%); ants (13%) | % of stomach containing food item | % | Both Male and Female | Both Adults and Juveniles | 45 | Dixie Canyon | Exposure Factor Datasets | Los Angeles |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Longevity | range of oldest individuals recorded | yrs | Both Male and Female | Adult | 3 | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa |
Striped Skunk (Mephitis mephitis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | 21 Feb-5 April | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory | ||
Duration of Incubation or Gestation | d | Both Male and Female | Embryo | 118 litters/females | Exposure Factor Datasets | Laboratory |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 80-85 | 1 year or younger | % | Both Male and Female | Adult | Not Reported | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 13 | for clutches with 1-5 eggs | d | Both Male and Female | Not Reported | 15 years | Mandarte island | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | oological collections | eggs/nest | Both Male and Female | Adult | 545 records | from Baja California to Alaska | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus ssp. bairdii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Water Ingestion Rate | 1.74 | daily water ingestion at ambient temperature of 21C | cc/animal/d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.90 | productive energy in captive animals at 0 C | kcal/animal/d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. nebrascensis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 20.6 | g | Both Male and Female | Adult | 30 | Exposure Factor Datasets | 0.6 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 7.3 | g | Both Male and Female | Juvenile | 90 | captured in Nebraska | Exposure Factor Datasets | 14 d | Laboratory |
Deer Mouse (Peromyscus maniculatus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Longevity | 19 | maximum longevity in field | mo | Both Male and Female | Adult | 74 | Portal, Cochise County (elev. 1330 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Dietary Composition | see citation | figure of preferred food items ranked by Rodger's index | Both Male and Female | Both Adults and Juveniles | 12 | captured in Ontario, Canada | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | ARTHROPODS (84-89% total) - Lepidoptera larvae (11-14); Coleoptera (4-11); June Beetles (54-75); Jerusalum crickets (0-13); Ants (0-1); Orthoptera (1-4); Spiders (1); Lygaeid bugs (0-1); Scorpions (0-1); Solfugids (0-1); Diptera (2-4); GREEN VEGETATION (0% total); SEEDS (11-16% total). | % weight of prey in fecal pellets; range of mean values over 2 yrs | % | Both Male and Female | Both Adults and Juveniles | 25-31 | Mono Lake (elev. 2000m) | Exposure Factor Datasets | Mono |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean body weights measured over 3 years | g | Both Male and Female | Both Adults and Juveniles | 144-164 | Rabbit Ears Pass, subalpine meadows (elev., 3020 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Population Density | 17 | minimum density | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Coreopsis habitat, Santa Barbara Island [lat.,33^o29' N, long., 119^o02' W] | Exposure Factor Datasets | 8 SD |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 7.1 | g | Both Male and Female | Not Reported | 22 individuals | Owens Valley | Exposure Factor Datasets | Inyo | 0.11 SE |
Peregrine Falcon (Falco peregrinus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | range over 2 yrs | young/pair | Both Male and Female | Fledgling | 7 - 9 pairs | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | review | review of factors controlling population density | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Bullfrog (Lithobates catesbeianus formerly Rana catesbeiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | see citation | figure of oxygen consumption at various body temperatures within seasons | Both Male and Female | Adult | 6/group | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | Coleoptera (2.3-6.5%), Wasps and bees (1.1-4.7%), Ants (0-3.5%), Homoptera (2.3-6.0%), Odonata (12.4-17.5%), Larval Lepidoptera (0.5-2.1%), Diptera (3.7-10.5%), Arachnids (0-3.2%), Miscellaneous terrestrial(10.5-11.1%), Hemiptera (19.2-23.2), Larval Odonata (3.4-5.0%), Larval Diptera (4.4-7.2%), Miscellaneous aquatic (1.9-7.4%), Frogs (5.1-14.5%), Metamorphosing Odonates (0-5.7%), Miscellaneous (1.8-7.3) | Percentage of bullfrog diet items | Both Male and Female | Both Adults and Juveniles | 23-46 | Turkey Marsh, Kellogg Biological Station, Kalamazoo County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Sample Size | Location | Type | Age-Specific | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Growth Rate | 0.1056 | mm/d | Both Male and Female | 34 | Algonquin Provincal Park, Ontario [lat., 45^o35'N; long., 78^o30'W] | Exposure Factor Datasets | 1 yr | CANADA | 0.01427 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | Insecta (20.6%); Arachnida (4.8%); Amphibia (27.4%); Diploda (0.3%); Gastropoda (1.0%); Crustacea (4.3%);Teleosts (0.6%); Mammalia (5.0%); Oligochaeta (1.3%); Reptilia (6.4%); Pebbles and sand (8.0%); Vegetative material (12.3%); Digested material (7.3%) | % weight of an item; obtained by dividing the weight of a specific item by the total weight of all items; obtained from stomach contents | Both Male and Female | Both Adults and Juveniles | 129 | ponds, Hanover County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | July - Oct. | Both Male and Female | Tadpole | Not Reported | Ithaca | Exposure Factor Datasets |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 28.43 (96) | mean density of breeding birds (maximum density in parentheses) | pairs/square mile | Both Male and Female | Adult | 130 sample units (160 acres/unit) | Exposure Factor Datasets |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | insects (31.7%), reptiles (26.0%), birds (16.6%), mammals (25.7%) | percent of prey by prey weight | Both Male and Female | Adult | Not Reported | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Time of Molt | July-October/November | period of molt | Both Male and Female | Adult | Not Reported | throughout USA | Exposure Factor Datasets | USA |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 0.20 | g/d | Both Male and Female | Juvenile | 47 | adults captured at Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | 24 - 40 d | 0.05 SE | Laboratory |
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 191 | metabolized energy in 8 week old mallards | kcal/d | Both Male and Female | Juvenile | 15 | Exposure Factor Datasets | Laboratory |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | mammals (28), insects (22) | number of prey items found in sample pellets | Both Male and Female | Both Adults and Juveniles | 20 pellets | Crooked River National Grassland | Exposure Factor Datasets |
Deer Mouse (Peromyscus maniculatus), Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Water Ingestion Rate | range of means from 10 experiments | cc/g/d | Both Male and Female | Not Reported | 4-8 animals/experiment; 10 experiments | Exposure Factor Datasets | Laboratory |
Pallid Bat (Antrozous pallidus)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutch or Litter Size | Review | Both Male and Female | Not Reported | Not Reported | Exposure Factor Datasets |
Desert Tortoise (Gopherus agassizi)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Location | Type | Error |
---|---|---|---|---|---|---|---|
Population Density | 59 | #/km2 | Both Male and Female | Both Adults and Juveniles | Piute Valley | Exposure Factor Datasets | 19-173 (95% CI) |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 2.3 | annual mortality rate for subadults and adults from 1973 and 1982 | %/yr | Both Male and Female | Both Adults and Juveniles | Not Reported | Colorado desert, Chuckwalla Bench | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 50 | acres | Both Male and Female | Not Reported | NE | Exposure Factor Datasets |
Kit Fox (Vulpes macrotis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.0028 | winter basal metabolic rate | watts/g | Both Male and Female | Adult | 12 foxes | Exposure Factor Datasets | Laboratory |
Desert Kit Fox (Vulpes macrotis ssp. arsipus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Home Range | 200 | denning range (area enclosing occupied den sites) | ha | Both Male and Female | Adult | 16 foxes | Rand Open Area and Desert Tortoise Research Natural Area | Exposure Factor Datasets | Kern |
Sideblotched Lizard (Uta stansburiana)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | range of % "survival to next season" over 5 yrs at 2 sites | % | Both Male and Female | Adult | 39-110/date and site | Exposure Factor Datasets | 9 mo |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 63 | time between laying and hatching | d | Both Male and Female | Embryo | Not Reported | San Gabriel Mountains (elev., 1585-1829m) | Exposure Factor Datasets | Los Angeles |
Western Fence Lizard (Sceloporus occidentalis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 59 | d | Both Male and Female | Embryo | Not Reported | yellow pine forest, central Sierra Nevada (elev., 1500m) | Exposure Factor Datasets |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Jerusalem crickets (20%), unident. insects (4%), unident. birds (10%), desert cottontail (1%), rabbits (5%), California ground squirrel (27%), pocket mice (13%), western harvest mice (9%), Peromyscus sp. (9%), unident. cricetid rodents (5%) | percent volume of total prey items in scat | % | Both Male and Female | Not Reported | 10 scats | Bethany Reservoir | Exposure Factor Datasets | Alameda |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Metabolic Rate | oxygen consumption during brooding period (to about 2 wks of age) | cm^3/g BW/hr | Both Male and Female | Nestling | Not Reported | Duck Island, Isle of Shoals (43 deg. 00'N, 70 deg 35'W) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 0.98 +/- 0.07 to 1.78 +/- 0.06 | mean number of chicks fledged/nest (over 3 years) | Both Male and Female | Fledgling | 296-424 nests/year | San Francisco Bay estuary | Exposure Factor Datasets |
Killdeer (Charadrius vociferus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 1(+/-2) to 5 (+/-6) | mean nest densities in untilled corn or soybean fields | nests/100 ha | Both Male and Female | Adult | 8-9 fields | Adair County | Exposure Factor Datasets |
Desert Iguana (Dipsosaurus dorsalis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 43.3 | g | Both Male and Female | Adult | 5 | Thousand Palms | Exposure Factor Datasets | 43-44 mo | Riverside | 9.7 SD |
Red-sided Garter Snake (Thamnophis sirtalis ssp. parietalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | see citation | figure of resting oxygen consumption | ml O2/g/hr | Both Male and Female | Adult | 5-10 | Exposure Factor Datasets | post-emergence | Laboratory |
Long-tailed Weasel (Mustela frenata)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 22 | % body weight consumed/d | Both Male and Female | Juvenile | 7 | captured at Delta, Manitoba, Canada | Exposure Factor Datasets | 5-7 wks | Laboratory |
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 second clutches laid per season | clutches/yr | Both Male and Female | Adult | 27 pairs | Archbold Biological Station | Exposure Factor Datasets |