California
Sea Otter (Enhydra lutris)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | daily home range, estimated from hourly trangulations during 24-hr watches using the minimum convex polygon method | ha | Female | Adult | 16 animals | Monterey to San Luis Obispo | Exposure Factor Datasets |
Home Range | daily home range, estimated from hourly trangulations during 24-hr watches using the minimum convex polygon method | ha | Female | Juvenile | 10 animals | Monterey to San Luis Obispo | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 0.4 | pre-weaning survival rate (mothers aged 3-6 years) | Female | Adult | 5 | Monterey Bay | Exposure Factor Datasets | 3-6 years | Monterey |
Fledging or Weaning Rate | 0.75 | pre-weaning survival rate (mothers aged 7-10 years) | Female | Adult | 12 | Monterey Bay | Exposure Factor Datasets | 7-10 years | Monterey |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | pismo clams (559), unidentified bivalves (1), rock crabs (1), market crabs (1), unidentified crabs (1), unidentied food items (15) | number of prey retreived, based on observations from shore | Not Reported | Not Reported | 578 observed retrievals | Pismo Beach | Exposure Factor Datasets | San Luis Obispo |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | observed ages at which pups were no longer observed with mothers | mo | Not Reported | Juvenile | 5 pups | near Monterey | Exposure Factor Datasets | Monterey |
Deer Mouse (Peromyscus maniculatus ssp. sonoriensis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 88 | annual mortality rate of post-weaned individuals calculated from age structure data | % | Both Male and Female | Juvenile | White Mountain (elev., 4500-7100 ft) | Exposure Factor Datasets | Mono |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4 | average clutch size | eggs/clutch | Female | Adult | 42 | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra |
Duration of Incubation or Gestation | d | Both Male and Female | Embryo | Not Reported | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Territory Size | 31.6 | ha | Female | Adult | 5 | Hollister Basin (elev. 48-210 m) | Exposure Factor Datasets | San Benito, Santa Clara | 10.7 SD |
Territory Size | 13.1 | ha | Male | Adult | 5 | Hollister Basin (elev. 48-210 m) | Exposure Factor Datasets | San Benito, Santa Clara | 2.0 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | invertebrates (10.5%), herpetofauna (2.4%), mammals (79.1%), birds (8.0%) | dietary composition (% of total biomass), 1972-1973 | Female | Not Reported | 4 | Arcata Bottoms | Exposure Factor Datasets | Humboldt |
Dietary Composition | invertebrates (39.3%), herpetofauna (37.9%), mammals (22.8%) | dietary composition (% of total biomass), 1973-1974 | Female | Not Reported | 3 | Arcata Bottoms | Exposure Factor Datasets | Humboldt |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | mammal (43%), insect (51%), other (6%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | 71 pellets | agricultural lands | Exposure Factor Datasets | Yolo | breeding |
Dietary Composition | mammal (39%), insect (60%), other (6%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | 95 pellets | agricultural lands | Exposure Factor Datasets | Yolo | breeding |
Deer Mouse (Peromyscus maniculatus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 16.2 | g | Female | Adult | 22 | Pinyon-juniper zone near Westgard Pass (elev., 2500 m) | Exposure Factor Datasets | Inyo | 3.1 SD | |
Body Fat (total or %) | 0.7 | total body fat | g | Male | Adult | 35 | Pinyon-juniper zone near Westgard Pass (elev., 2500 m) | Exposure Factor Datasets | Inyo | 0.4 SD |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 0.12 | acres | Female | Juvenile | 12 | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of means over 3 yrs in 2 habitat types | g | Female | Adult | Not Reported | Santa Barbara Island [lat.,33^o29' N, long., 119^o02' W] | Exposure Factor Datasets |
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 | 0.25 | mean dry stomach content mass | g | Female | Juvenile | 46 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.04 SE |
Food Ingestion Rate | 0.17 | mean dry stomach content mass | g | Male | Juvenile | 23 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.03 SE |
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Population Density | 20.8 | See table 2, p.99, for more detailed means. | breeding pairs/km2 | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | 1.5 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 47 | average survival rate of birds banded 1948-1982 | % | Male | Juvenile | Not Reported | Sacramento and San Joaquin Valleys, n.e. CA | Exposure Factor Datasets |
Survival/ Mortality | 46 | average survival rate of birds banded 1948-1982 | % | Female | Juvenile | Not Reported | Sacramento and San Joaquin Valleys, n.e. CA | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 389 | mean number of ducks counted in U.S. Fish and Wildlife Service mid-winter inventories 1978-1987 | Both Male and Female | Both Adults and Juveniles | Not Reported | Imperial and Coachella Valleys | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Population Density | 1.0 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Not Reported | Not Reported | not reported | Tulare Basin, Kern National Wildlife Refuge | Exposure Factor Datasets | wintering birds |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Hatching Success | 85.2% | proportion of observed nests with at least one successful hatch | Female | Adult | 209 | Tule Lake and Lower Klamath River National Wildlife Refuges | Exposure Factor Datasets | Modoc, Siskiyou |
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 | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | Log OC = 0.044T + 0.64 | regression equation for oxygen consumption (OC in ul O2/g/hr; log base 10) at various temperatures (T, 0 - 15 C) | ul O2/g/hr | Not Reported | Adult | 5-8/temperature | Victorville | Exposure Factor Datasets | hibernating |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.192 | resting metabolic rate at 35C, estimated as carbon dioxide production rate | ml CO2/g/hr | Both Male and Female | Adult | 19 | Ecology Research Area, University of California, Los Angeles | Exposure Factor Datasets | reproductively inactive | 0.017SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 53 | d | Both Male and Female | Embryo | Not Reported | yellow pine forest, central Sierra Nevada (elev., 2200m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 14.4 | g | Not Reported | Adult | 56 | Blackbird Valley (elev., 855-975m) and Foss Valley (elev., 436m) | Exposure Factor Datasets | Napa, Santa Clara | 0.90SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | CS = 0.261(SVL) - 10 | regression equation relating clutch size(CS) to female snout-vent length (SVL; mm) | eggs/clutch | Female | Adult | 27 | Hastings Reservation | Exposure Factor Datasets | Monterey |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | breeding season density based on roadside censuses | birds/mi^2 | Both Male and Female | Adult | Not Reported | Imperial Valley | Exposure Factor Datasets |
Population Density | fall/winter season density based on roadside censuses | birds/mi^2 | Both Male and Female | Adult | Not Reported | Imperial Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 168.0 | g | Female | Not Reported | 10 birds | Oakland Airport | Exposure Factor Datasets |
Pallid Bat (Antrozous pallidus)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | #/litter | Female | Adult | 40 bats | Napa, CA | Exposure Factor Datasets | Napa |
Desert Tortoise (Gopherus agassizi)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | range of mean field metabolic rates, estimated using doubly labeled water | kJ/d | Female | Adult | 9 | Fenner Valley, Goffs (elev., 680m) {lat., 34^o51'N; long., 115^o09'W] | Exposure Factor Datasets | San Bernardino |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Population Density | #/km2 | Not Reported | Not Reported | Not Reported | China Lake Naval Weapons Center | Exposure Factor Datasets | San Bernardino |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 4.8 | annual mortality rate for subadults and adults between 1973 and 1985 | %/yr | Both Male and Female | Both Adults and Juveniles | Not Reported | western Mojave desert, Fremont Peak | Exposure Factor Datasets |
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 |
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 | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 1.61 | denning range, based on observations of marked individuals at dens | km2 | Both Male and Female | Adult | 26 | south San Joaquin Valley | Exposure Factor Datasets | Kern | 0.20 SE |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | minimum densities of foxes in study area over three years | fox /4.1 km2 - 1 fox / 6.5 km2 | Both Male and Female | Adult | 15-22 foxes/year | Carrizo Plain Natural Area | Exposure Factor Datasets | San Luis Obispo |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Spermophilus beecheyi (35%), soluble material (16.6%), grasshoppers/crickets (12.9%), lagomorphs (12.2%), kangaroo rats (9.1%), miscellaneous (10.2%), deer mice/wood rats (7.7%), birds (5.2%), beetles/weevils (3.5%), vegetation (2.8%), snakes (2.0%), pocket mice (0.8%), pocket gophers (0.5%), lizards (0.2%) | frequency of occurrence of prey items found in scat | % | Both Male and Female | Both Adults and Juveniles | 649 scats | Camp Roberts | Exposure Factor Datasets | Monterey, San Luis Obispo |
San Joaquin Fence Lizard (Sceloporus occidentalis ssp. biseriatus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 1-2 | yrs | Female | Adult | Not Reported | Puente Hills and San Gabriel River, Whittier | Exposure Factor Datasets | Los Angeles |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 7.23 | eggs/clutch | Female | Adult | 43 | Puente Hills, Whittier (elev., 150 m) | Exposure Factor Datasets | Los Angeles | 3.30SD |
California Sea Lion (Zalophus californianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | May - Aug. | breeding season; pupping and mating | Female | Adult | Not Reported | San Nicolas Island | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Pacific whiting (48.7%); market squid (46.7%); juvenile rockfish (35.9%); northern anchovy (20.0%); red octopus (9.7%); jack mackerel (4.6%); nail squid (4.6%); squid (4.1%);chub mackerel (3.6%); Pacific pompano (2.5%); California lantern fish (2.5%) | % occurrence of major prey (>1%) in scats | % | Both Male and Female | Both Adults and Juveniles | 224 scats | San Miguel Island | Exposure Factor Datasets |
Double-crested Cormorant (Phalacrocorax auritus)
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 |
Western Pond Turtle (Actinemys marmorata formerly Clemmys marmorata)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | Oct. - May | Both Male and Female | Both Adults and Juveniles | 578 marked turtles | Hayfork Creek (elev., 610m) | Exposure Factor Datasets | Trinity |
Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 85.1 | average monthly survival | %/mo | Both Male and Female | Not Reported | 220 | Jacumba (elev., 988 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.2 | embryos/ female | Female | Adult | 24 | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | San Bernardino |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | none | Female | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Longevity | longest recorded longevity | mo | Not Reported | Adult | 2 | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets |
Sideblotched Lizard (Uta stansburiana)
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 |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | range of early activity season (spring to summer) mortality rates measured over 3 yrs | deaths/100 lizards/d | Not Reported | Adult | 90-169/yr | Chuckwalla Mountains (elev., 460m), [lat., 33^o37'N; long., 115^o18' W] | Exposure Factor Datasets | Riverside |
Desert Iguana (Dipsosaurus dorsalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 73 | annual survivorship | % | Not Reported | Hatchling | 37 marked | Thousand Palms | Exposure Factor Datasets | 0-2 mo | Riverside |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 47 | average snout-vent length = 11.2 cm | g | Female | Adult | 4 - 26/sampling time | Thousand Palms | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | log weight = 0.011 SVL + 0.37 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Male | Adult | Not Reported | Palm Desert | Exposure Factor Datasets |
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. - Sept. | Not Reported | Hatchling | Not Reported | Exposure Factor Datasets | Kern, San Joaquin, San Luis Obispo, Tulare |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Growth Rate | 0.7 | increase in snout-vent length | mm/mo | Female | Adult | 38 | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare |
Island Night Lizard (Xantusia riversiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Lizard skin (17); Unidentified arthropods (2); Spiders (11); Scorpions (2); Centipedes (2); Ticks (1), Isopids (17); Insects unidentified (26); Orthoptera (1); Homoptera (1); Hemiptera (3); Lepidoptera (5); Diptera (3); Coleptera (19); Hymenoptera (25); Plants (44) | number of individuals in which a particular item was found in stomach contents | # | Not Reported | Not Reported | 91 | San Nicolas, Santa Barbara and San Clemente Islands | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1.01 | g | Not Reported | Hatchling | 15 | San Clemente, San Nicolas and Santa Barbara Islands | Exposure Factor Datasets | at birth |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | determined from fetus count | young/female | Female | Adult | 2 | San Nicolas Island | Exposure Factor Datasets |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 12-13 | age at which young leave nest | d | Both Male and Female | Fledgling | Not Reported | Gray Lodge State Refuge | Exposure Factor Datasets | Butte |
Pacific Treefrog (Pseudacris regilla formerly Hyla regilla)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of average weight at metamorphosis, tadpoles fed seston, detritus or blue green algae in field enclosures | mg | Both Male and Female | Juvenile | 7-12/group | South Fork Eel River, Branscomb [lat., 39^o44' N; long., 123^o39'W] | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Feb. - June | time of breeding | Both Male and Female | Adult | Not Reported | Santa Monica Mountains | Exposure Factor Datasets | Los Angeles |
Brush Rabbit (Sylvilagus bachmani)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 583 | g | Male | Adult | 76 | Berkeley Hills | Exposure Factor Datasets | 8 |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | maturity based on presence of adult pelage | mo | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Audubon's Cottontail (Sylvilagus audubonii ssp. vallicola)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Body Weight - Mean | g | Both Male and Female | Adult | Not Reported | San Joaquin Experimental Range | Exposure Factor Datasets |
California Ground Squirrel (Spermophilus beecheyi)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 707 | g | Male | Adult | 306 | University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] | Exposure Factor Datasets | Santa Cruz | reproductively active |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 592 | g | Female | Adult | 10 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | range over 2 yrs | #/ha | Both Male and Female | Adult | Not Reported | Camp Ohlone, East Bay Regional Park District | Exposure Factor Datasets | Alameda |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | see citation | figure of seasonal activity patterns, including hibernation | Both Male and Female | Both Adults and Juveniles | 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 |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | range of means | embryos/female | Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 5466.78 | m2 | Male | Adult | 2 | Capay (elev., 305 m) | Exposure Factor Datasets | Yolo | 1897.19 SD |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 512.4 | g | Male | Not Reported | 397 | Hastings Natural History Reservation | Exposure Factor Datasets | Monterey |
Riparian Brush Rabbit (Sylvilagus bachmani ssp. riparius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | review | reported breeding season occurs from January to May (from unpublished reports) | Both Male and Female | Adult | Not Reported | Caswell Memorial State Park | Exposure Factor Datasets |
California Vole (Microtus californicus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | > 40 | g | Female | Adult | Not Reported | Richmond Field Station | Exposure Factor Datasets | Contra Costa | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.0 | mean; early growing season | pups/litter | Female | Adult | 11 | Russell Reservation | Exposure Factor Datasets | Contra Costa | 0.8 (95%CI) |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | see citation | figure of seasonal changes in density | #/acre | Both Male and Female | Both Adults and Juveniles | Not Reported | Tilden Park | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|
Survival/ Mortality | range of mean minimum survival rates per 14 d measured | Female | Juvenile | 2 periods of weekly sampling | Tilden Regional Park | Exposure Factor Datasets | "subadult" (26-39g) |
Western Skink (Eumeces skiltonianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 0.669 | egg weight | g | Not Reported | Embryo | 6 | Exposure Factor Datasets | San Bernardino | 0.042SD |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 4 | g | Both Male and Female | Juvenile | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | 4 wk | Inyo |
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Survival/ Mortality | overwinter survival rates for sampled populations, measured for 3 consecutive years | Not Reported | Not Reported | 11-27 individuals/yr | Owens Valley (1,220 m) | Exposure Factor Datasets | Inyo |
Western Snowy Plover (Charadrius nivosus ssp. nivosus formerly Charadrius alexandrinus ssp. nivosus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | number of wintering birds per km of sandy beach surveyed | birds/km | Not Reported | Not Reported | 54.5-200.2 km per survey region | mainland coast | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 27.4 | average incubation period (measured from last egg laid to last egg hatched) | d | Both Male and Female | Embryo | 57 nests | Pajaro River Mouth | Exposure Factor Datasets | Monterey | 0.2 SE |
California Least Tern (Sterna antillarum ssp. browni)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Hatching Success | 100% (first wave), 82% (second wave) | proportions of eggs hatched of eggs laid | Not Reported | Hatchling | 54 eggs (second wave) | NASA Island, Seal Beach National Wildlife Refuge | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | average number of fledglings produced per pair, over 13 years | fledglings/pair | Not Reported | Fledgling | 775-1,264 pairs/year | statewide | Exposure Factor Datasets |
Ornate Shrew (Sorex ornatus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 21 | d | Female | Adult | Not Reported | San Francisco Bay region | 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 Migration or Dispersal | early to mid-June | timing of arrival of spring migrants | Both Male and Female | Adult | Not Reported | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra |
Bushtit (Psaltriparus minumus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 5.37 | mean body weight of museum specimens | g | Not Reported | Not Reported | 23 birds | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Territory Size | approximate range of nesting territory diameters | yd | Both Male and Female | Adult | Not Reported | Stanford University Campus | Exposure Factor Datasets | Santa Clara |
Ensatina (Ensatina eschscholtzii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 0.005 | changes in snout-vent length measured between recaptures (>1000d) | mm/d | Male | Adult | Not Reported | Calaveras Big Trees State Park (elev., 1400m) | Exposure Factor Datasets | Calaveras | 0.0049 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Growth Rate | see citation | figure of growth rates based on changes in snout-vent length | Both Male and Female | Juvenile | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa |
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 | range in proportions of total chicks fledging vs. total chicks hatched (for two years) | chicks fledged/chicks hatched | Not Reported | Fledgling | 147 eggs hatched (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Coyote (Canis latrans)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | rodent (33.2%); deer (17.0%); other stock (14.8%); rabbit (13.2%); misc. (10.0%); sheep (4.6%); bird (3.8%); vegetation (3.4%) | overall % volume of stomach contents | % | Not Reported | Not Reported | 407 | coastal region | 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 | 9.9 | kg | Female | Pup | 13 | Naval Petroleum Reserves (elev., 88 - 473 m) | Exposure Factor Datasets | <1yr | Kern | 0.4 SE |
Stephens' Kangaroo Rat (Dipodomys stephensi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Erodium cicutarium leaf (19.4%) and seed (18.8%); Schismus barbatus non-seed (15.3%) and seed (2.8%); unidentified grass (14.1%); Bromus madritensis (7.1%); insect (8.1%); Hirschfeldia incana seed (4.7%); Eriogonom fasciculatum seed (3.5%); Salsola tragus seed (3.4%); Amsinckia menziesii seed (2.4%); Artemesia californica seed (0.9%) | annual % frequency of occurrence in fecal pellets | % | Not Reported | Not Reported | 5-10 pellets/mo | Mottee Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|
Body Weight - Mean | see table 1 | Not Reported | Nestling | 6-33 nestlings | San Miguel Island | Exposure Factor Datasets | 0-11 days |