California
Deer Mouse (Peromyscus maniculatus ssp. gambelii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 0.24 | mean dry stomach content mass | g | Female | Adult | 60 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.03 SE |
Time of Mating/ Laying | January, August-October | annual reproductive peaks | Female | Adult | 1085 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | ||
Food Ingestion Rate | 0.18 | mean dry stomach content mass | g | Male | Adult | 155 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | invertebrates (85.4%), vertebrates (14.6%) | relative numbers of dietary items captured | Not Reported | Not Reported | 24 birds | Arcata Bottoms; pasture | Exposure Factor Datasets | Humboldt |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.2 | fledging rate per successful nest | fledglings per nest | Both Male and Female | Fledgling | 17 | American River; oak woodlands, grasslands, residential | Exposure Factor Datasets | Sacramento |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 98 | of chicks that hatched | % | Both Male and Female | Fledgling | 150 | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | August (begin), October (peak), November (end) | time period of fall migration | Both Male and Female | Not Reported | 276 | Pt. Diablo, Marin Headlands | Exposure Factor Datasets | Marin |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | insects (97%), isopod (5%), birds (27%), mammals (25%) | percent occurrence in sample pellets | Not Reported | Not Reported | Not Reported | agricultural lands | Exposure Factor Datasets | Tulare |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 79 | mean hatchability measured over 4 years | % | Both Male and Female | Hatchling | 157 boxes | Great Basin (elev. 1260-2340 m) | Exposure Factor Datasets | Lassen |
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 52 | Survival rates, not mortality. | % | Female | Juvenile | Not Reported | Lower Klamath National Wildlife Refuge | Exposure Factor Datasets | 7.8 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Population Density | 0.07 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Not Reported | Not Reported | Not Reported | evaporation ponds | Exposure Factor Datasets | wintering birds |
Population Density | 0.5 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Not Reported | Not Reported | Not Reported | miscellaneous | Exposure Factor Datasets | wintering birds |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Hatching Success | 91.4% | Mean hatch success of successful nests | Female | Adult | 178 | Tule Lake and Lower Klamath River National Wildlife Refuges | Exposure Factor Datasets | Modoc, Siskiyou |
Time of Hatching or Parturition | May-July | Female | Adult | Not Reported | Tule Lake and Lower Klamath River National Wildlife Refuges | Exposure Factor Datasets | Modoc, Siskiyou |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 1.27 | For 1989. Home range defined as area that broods restricted their activities to during rearing period. | km2 | Not Reported | Nestling | 13 broods | Lower Klamath National Wildlife Refuge | Exposure Factor Datasets | 0.47 SE |
Bullfrog (Lithobates catesbeianus formerly Rana catesbeiana)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Longevity | yr | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | time to complete from egg through metamorphosis | mo | Not Reported | Not Reported | 300 | San Joaquin Experimental Range, O'Neals | Exposure Factor Datasets |
Body Weight - Mean | g | Not Reported | Not Reported | 300 | San Joaquin Experimental Range, O'Neals | Exposure Factor Datasets |
San Joaquin Fence Lizard (Sceloporus occidentalis ssp. biseriatus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | Aug. | Not Reported | Hatchling | Not Reported | San Gabriel Mountains, Crystal Lake (elev., 1584 m) | Exposure Factor Datasets | Los Angeles | ||
Body Weight - Mean | 15.3 | average snout-vent length = 75mm | g | Not Reported | Adult | Not Reported | San Gabriel Mountains, Crystal Lake (elev., 1584 m) | Exposure Factor Datasets | Los Angeles |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 19 | % | Both Male and Female | Adult | 18 birds | Oakland Airport | Exposure Factor Datasets |
Survival/ Mortality | 18 | % | Both Male and Female | Nestling | 40 birds | Oakland Airport | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 78 | percent of pairs hatching at least one chick | % | Both Male and Female | Adult | 9 pairs | Shoreline Park | Exposure Factor Datasets | Santa Clara |
Clutch or Litter Size | 3.0 | mean number of chicks per nest | chicks/nest | Both Male and Female | Adult | 7 pairs | Shoreline Park | Exposure Factor Datasets | Santa Clara |
Pallid Bat (Antrozous pallidus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 32.6 | g | Male | Adult | 10 | Exposure Factor Datasets | Napa | 0.9 SE | |
Body Weight - Mean | 21.7 | g | Male | Adult | 135 | Exposure Factor Datasets | Napa | 0.2 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | mid-Oct. | time of dispersal of summer roost colonies | Both Male and Female | Both Adults and Juveniles | Not Reported | Exposure Factor Datasets | Kern, San Luis Obispo | |||
Body Weight - Mean | 24.3 | g | Female | Adult | 15 | Exposure Factor Datasets | Kern, San Luis Obispo | ovulating |
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 |
---|---|---|---|---|---|---|---|---|---|
Population Density | 1 | estimated average density based on censuses and literature values | fox/2.8 mi2 | Both Male and Female | Adult | 108 dens | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | adult density | #/260 ha | Both Male and Female | Adult | 361 foxes | Elk Hills Naval and Buena Vista Petroleum Reserves | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Jerusalem crickets (1%), unident. reptiles (1%), unident. birds (1%), rabbits (5%), California ground squirrel (62%), pocket mice (5%), western harvest mice (10%), Peromyscus sp. (11%) | percent volume of total prey items in scat | % | Both Male and Female | Not Reported | 10 scats | Bethany Reservoir | Exposure Factor Datasets | Alameda |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 61.0 | mean annual mortality rate over 13 years | % | Not Reported | Adult | 306 foxes | Naval Petroleum Reserves in California | Exposure Factor Datasets | Kern | 5.2 SE |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Home Range | approximate range of individual foxes | mi2 | Both Male and Female | Adult | 12 foxes | Buena Vista Valley | Exposure Factor Datasets | Kern |
Desert Tortoise (Gopherus agassizi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 2.2 | annual mortality rate for subadults and adults from 1975 and 1982 | %/yr | Both Male and Female | Both Adults and Juveniles | Not Reported | Colorado desert, Chemehuevi Wash and Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Population Density | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Western Fence Lizard (Sceloporus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | see citation | figure of standard metabolic rate measured as resting oxygen consumption at various temperatures (20-40C) | cc O2/g/hr | Not Reported | Adult | 31 | Exposure Factor Datasets | Orange, Riverside |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | OC = 0.23(BW)^0.67 | equation for relating resting oxygen consumption (OC; ml O2/hr) to body mass (BW; g) @ 25C | ml O2/g/hr | Both Male and Female | Adult | 154 animals | Sierra Nevada (elev., 150 and 1500 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 9.64 | mean snout-vent length = 66.35mm | g | Male | Not Reported | 295 animals | valley grassland (elev., 150m), central Sierra Nevada | Exposure Factor Datasets | 3.95SD |
Northwestern Fence Lizard (Sceloporus occidentalis ssp. occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|---|
Home Range | 120.96 | 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 | Male | 23 animals | Hastings Natural History Reservation, Carmel Valley | Exposure Factor Datasets | 1 yr | Monterey | breeding | |
Home Range | 73.10 | 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 | Male | Adult | 14 animals | Hastings Natural History Reservation, Carmel Valley | Exposure Factor Datasets | 2+ yr | Monterey | nonbreeding |
Western Pond Turtle (Actinemys marmorata formerly Clemmys marmorata)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 854 | maximum reported body weight | g | Male | Adult | 450 | largest turtle found near Huron | Exposure Factor Datasets | Fresno |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Body Weight - Mean | lb, oz | Both Male and Female | Adult | 9 | Sacramento and San Joaquin Valleys | Exposure Factor Datasets |
California Sea Lion (Zalophus californianus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 9.09 | kg | Male | Pup | 7 | San Nicolas Island | Exposure Factor Datasets | 5 d | 0.112 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 723 | daily milk intake | g/d | Male | Pup | 24 | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 1-2 mo | 31.0 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 0.132 | pre-el Nino; 0-2 months | kg/d | Not Reported | Pup | 32 | San Nicolas Island | Exposure Factor Datasets | 0-2 months | 0.007 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Territory Size | 130 | m2 | Male | Adult | 24-25 males | San Nicolas Island, CA | Exposure Factor Datasets | breeding |
Western Toad (Anaxyrus boreas formerly Bufo boreas)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | May - June | Not Reported | Tadpole | Not Reported | San Joaquin Valley | Exposure Factor Datasets |
California Newt (Taricha torosa)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Body Weight - Mean | g | Not Reported | Adult | Not Reported | Berkeley | Exposure Factor Datasets |
Sideblotched Lizard (Uta stansburiana)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | 88 | #/ha | Not Reported | Not Reported | Not Reported | Del Puerto Canyon | Exposure Factor Datasets | Stanislaus |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 0.38 | average egg weight | g | Not Reported | Embryo | 27 | Del Puerto Canyon Road | Exposure Factor Datasets | Stanislaus |
Desert Iguana (Dipsosaurus dorsalis)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Home Range | minimum area versus probability estimates for 3 sites; estimate of area encompassing 95% of total space utilization | m2 | Female | Adult | Not Reported | Coachella Valley | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Home Range | 1462 | home range estimated using the convex polygon method | m2 | Male | Adult | 20 | Thousand Palms | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | estimated feeding rate to support energy expenditure measured in field | mg dry food/g/d | Not Reported | Hatchling | 7-9/time period | Thousand Palms | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | Oct. - Mar. | Not Reported | Not Reported | 95 | Palm Springs | Exposure Factor Datasets | Riverside |
Blunt-nosed Leopard Lizard (Gambelia sila formerly Gambelia silus)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | Aug. | Not Reported | Hatchling | Not Reported | Elkhorn Plain (elev., 685-765m) | Exposure Factor Datasets | San Luis Obispo |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Apr. - June | time of breeding | Both Male and Female | Adult | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare |
Coachella Valley Fringe-toed Lizard (Uma inornata)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 146 | average home range estimated using minimum convex polygon method (snout-vent length, 51-69mm) | m2 | Female | Juvenile | 15 | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside | 56 (95CI) |
Island Night Lizard (Xantusia riversiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Longevity | 13.4 | estimated from largest lizard (snout-vent length, 102.5 mm)and known growth rates | yr | Both Male and Female | Adult | Not Reported | Santa Barbara Island | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Mar. - June | time of breeding | Both Male and Female | Adult | Not Reported | San Clemente, San Nicolas and Santa Barbara Islands | Exposure Factor Datasets |
Mourning Dove (Zenaida macroura)
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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 55.2% | percent of nests in which at least one egg hatched | % | Both Male and Female | Adult | 335 nest attempts | near Bakersfield | Exposure Factor Datasets | Kern |
Southern Long-toed Salamander (Ambystoma macrodactylum ssp. sigillatum)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Cast skin (2.1%); Isopoda (0.7%); Araneida (10.4%); Collembola (10.4%); Diptera (57.0%); Orthoptera (3.5%); Coleoptera (11.9%); Unidentified (4.2%) | % of total number of items in stomach contents | % | Not Reported | Adult | 20 | Mosquito Lakes (elev., 8050 ft) | Exposure Factor Datasets | Alpine |
Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 3 | g | Not Reported | Neonate | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | log10(L CO2/d) = 0.845log10(BW) - 1.005 | field metabolic rate; equation relating whole animal carbon dioxide production rates to body weight (BW, g); r^2=0.466 | L CO2/d | Not Reported | Not Reported | 4-9 per mo/15 mo | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | Exposure Factor Datasets | San Bernardino |
Brush Rabbit (Sylvilagus bachmani)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4 | young/litter | Female | Adult | 14 | Exposure Factor Datasets | Alameda, Contra Costa, Lake, Marin, Napa |
Audubon's Cottontail (Sylvilagus audubonii ssp. audubonii)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | < 1 | acre | Female | Adult | 10 | Sacramento Valley, Durham | Exposure Factor Datasets |
California Ground Squirrel (Spermophilus beecheyi)
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 | Male | Adult | 4 - 63/mo | San Joaquin Experimental Range | Exposure Factor Datasets |
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 | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 61 | g | Not Reported | Juvenile | 1 | Exposure Factor Datasets | 10 d |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Home Range | 0.59 | above ground area occupied for at least one mo | acres | Female | Adult | 51 | Calaveras Reservoir | Exposure Factor Datasets | Alameda, Santa Clara |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 677 | g | Male | Adult | 61 | Davis and Dixon | Exposure Factor Datasets | Solano, Yolo | 113.5 |
Yuma Clapper Rail (Rallus longirostris ssp. yumanensis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | crayfish (94.67%), ground beetle (0.11%), unident. beetle (0.56%), weevils (2.78%), damselfly nymphs (0.11%), grasshoppers (0.11%), insect eggs (.11%), unident. parts (0.78%), spider (0.56%), seeds (0.11%), corbicula (0.06%), unident. mammal bone (0.06%) | dietary item occurence by volume in stomach contents | Not Reported | Adult | 9 stomachs | Topock Marsh to Imperial Lake | Exposure Factor Datasets |
Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Nesting | May-August | inclusive of pairing through departure from nesting territory | Both Male and Female | Adult | 15 birds | Sierra National Forest | Exposure Factor Datasets | Fresno |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.3 | average number of fledglings per nest | fledglings/nest | Not Reported | Fledgling | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra | 1.3 SD |
California Vole (Microtus californicus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean values for 4 grids over 3 yrs | g | Female | Adult | 1 - 42 | Russell Reservation, Berkeley | Exposure Factor Datasets | Contra Costa | breeding |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
---|---|---|---|---|---|---|---|---|---|
Growth Rate | change in body weight; instantaneous rated based on Brody 1945 | %/d | Male | Adult | Not Reported | Richmond field station; Russell Reservation | Exposure Factor Datasets | Contra Costa | |
Body Weight - Mean | g | Male | Both Adults and Juveniles | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | subadult | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.2 | pups/litter | Female | Adult | 12 | Volta | Exposure Factor Datasets | Merced |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Body Weight - Mean | g | Male | Not Reported | Not Reported | San Francisco Bay, San Rafael | Exposure Factor Datasets | Marin |
California Whipsnake (Masticophis lateralis), Common Garter Snake (Thamnophis sirtalis)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | eggs/female | Female | Adult | 5 | Exposure Factor Datasets | Los Angeles, Mariposa, Tuolumne |
California Least Tern (Sterna antillarum ssp. browni)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | May-Jul | period of egg laying, 2 years | Female | Adult | 2 colonies | Sunset Aquatic Park, Huntington Beach | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | eggs/clutch | Female | Adult | 12 clutches | Huntington Beach State Park | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | late Aug-Sep | timing of departure from breeding areas | Not Reported | Both Adults and Juveniles | 4 nesting areas, 2 years | Santa Margarita River at Camp Pendleton | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Longevity | 9.63 | expected number of breeding years per adult bird | yr | Not Reported | Adult | 372 birds | Venice (beach) | Exposure Factor Datasets | Los Angeles | 6.55-14.48 95% CI |
San Joaquin Antelope Squirrel (Ammospermophilus nelsoni)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 10.81 | minimum convex polygon estimate, corrected for sample size bias, based on radiotelemetry and mark-release trapping | ha | Both Male and Female | Both Adults and Juveniles | 15 | Elkhorn Plain Ecological Reserve | Exposure Factor Datasets | San Luis Obispo | 12.53 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 | 7.2 | g | Male | Adult | 66 | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo | 0.7 SD |
Stephens' Kangaroo Rat (Dipodomys stephensi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 26.2 | average density over 19 mo study | #/ha | Both Male and Female | Not Reported | 96 | Motte Rimrock Reserve [lat., 33^o47'30"N; long., 117^o15'W] | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.67 | young/litter | Female | Adult | 6 | Motte Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
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 |
Western Snowy Plover (Charadrius nivosus ssp. nivosus formerly Charadrius alexandrinus ssp. nivosus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | April 18 to July 15 | period of time from beginning to end of egg laying for one year | Female | Adult | 9 nests | Mono Lake (elev. 1,940 m) | Exposure Factor Datasets | Mono |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | percent of hatched chicks that fledged (over 6 years) | d | Not Reported | Fledgling | 296 chicks | Pajaro River Mouth | Exposure Factor Datasets | Monterey |
Least Bell's Vireo (Vireo bellii ssp. pusillus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 66 | percent of birds that successfully fledged one young | % | Female | Adult | 98 birds | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Coyote (Canis latrans)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 24.25 | lbs | Male | Adult | 28 | Sagehen Creek Field Station, Truckee (elev., 5000-6300 ft) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2.5 | kg | Male | Pup | 19 | Naval Petroleum Reserves (elev., 88 - 473 m) | Exposure Factor Datasets | <1yr | Kern | 0.2 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Mammals: Spermophilus beecheyi (57%); Microtus californicus (19%); Peromyscus maniculatus and Reithrodontomys megalotis (29%); Lepus californicus (29%); Thomomys bottae (19%); Birds (5%); Insects (10%); Seeds and berries (10%); Herbaceous vegetation (14%) | % of scats containing each prey item | % | Not Reported | Not Reported | 21 | Concord Naval Weapons Station | Exposure Factor Datasets | Contra Costa |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
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 |
Ensatina (Ensatina eschscholtzii)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | mo | Female | Adult | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa |
Valley Garter Snake (Thamnophis sirtalis ssp. fitchi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 9.18 | field metabolic rate | ml CO2/g/d | Both Male and Female | Adult | 72 | Eagle Lake (elev., 1800 m) | Exposure Factor Datasets | Lassen |
Deer Mouse (Peromyscus maniculatus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Population Density | 372 | maximum density | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | grassland habitat, Santa Barbara Island, [lat.,33^o29' N, long., 119^o02' W] | Exposure Factor Datasets | 30 SD |
Sea Otter (Enhydra lutris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 150 | population density for resident and non-resident animals (see citation for map of study area) | animals per study area | Both Male and Female | Not Reported | 15-170 | Diablo Canyon nuclear power plant; Point San Luis to Point Buchon | Exposure Factor Datasets |