California
Western Fence Lizard (Sceloporus occidentalis)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|
Home Range | m2 | Male | Adult | 24 | Hopland Field Station (160 km N of San Francisco) | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | BW = 2.72 - 0.21(SVL) + 0.0049(SVL)^2 | equation relating body weight (BW; g) to snout-vent length (SVL; mm) | g | Female | Both Adults and Juveniles | 58 | Hastings Reservation | Exposure Factor Datasets | Monterey | non-breeding |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 13.1 | g | Not Reported | Adult | 65 | Exposure Factor Datasets | Orange, Riverside |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 245 | estimated average stomach content fresh weight in a 15 g lizard | mg | Both Male and Female | Not Reported | Not Reported | central Sierra Nevada (elev., 150m and 1500m) | Exposure Factor Datasets |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Hatching Success | 76% | proportion of nests in which at least one egg hatched | Both Male and Female | Hatchling | 1056 nests | San Francisco Bay estuary | Exposure Factor Datasets |
Western Pond Turtle (Actinemys marmorata formerly Clemmys marmorata)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | eggs/clutch | Female | Adult | 7 | Exposure Factor Datasets | |||
Time of Mating/ Laying | June - Aug. | time of egg deposition | Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Algae (4.00); Other vegetation (0.50); Crustacea (5.55); Odonata nymphs (5.00); Ephemeroptera nymphs (2.91); Trichoptera larvae (7.40); Hemiptera nymphs (0.10); Hemiptera adults (0.10); Orthoptera adults (0.20); Coleoptera larvae (0.75); Coleoptera adults (0.10); Diptera larvae (9.15); Osteichthyes (10.90); Amphibia (7.80); Other (0.50) | volume (cc) of food items in stomach contents determined by water displacement | cc | Male | Adult | 20 | Hayfork Creek (elev., 750m) | Exposure Factor Datasets | Trinity |
Deer Mouse (Peromyscus maniculatus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 17 | years | Both Male and Female | Adult | 23 | Blue Lake, 75 long., 95 lat. |
Exposure Factor Datasets | 2 years | Alpine | 0 | Laboratory | |
Dietary Composition | food | Both Male and Female | Adult | 23 | Blue Lake, 75 long., 95 lat. |
Exposure Factor Datasets | 2 years | Alpine | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Population Density | 462 | maximum 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 | 56 SD |
Desert Sideblotched Lizard (Uta stansburiana ssp. stejnegeri)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | July - Sept. | Not Reported | Hatchling | Not Reported | El Paso Mountains [lat., 35^o30'; long., 117^o40'] | Exposure Factor Datasets | Kern |
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 | 46 | average annual survivorship estimated over 3 yrs | % | Not Reported | 11-30 marked/yr | Thousand Palms | Exposure Factor Datasets | 19-22 mo | Riverside | |
Survival/ Mortality | 60 | average annual survivorship estimated for 4 yrs | % | Both Male and Female | Adult | 5-38 marked/yr | Thousand Palms | Exposure Factor Datasets | > 31 mo | Riverside |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | range of average field metabolic rates (measured using doubly-labeled water) over 3 time periods | ml CO2/g/hr | Not Reported | Hatchling | 7-9/time period | Thousand Palms | Exposure Factor Datasets | Riverside | ||
Metabolic Rate | 0.357 | average field metabolic rate (measured using doubly-labeled water) | ml CO2/g/hr | Not Reported | Juvenile | 8 | Thousand Palms | Exposure Factor Datasets | Riverside | 0.024 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | log weight = 0.011 SVL + 0.05 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Not Reported | Juvenile | Not Reported | Palm Desert | Exposure Factor Datasets |
Body Weight - Mean | log weight = 0.017 SVL - 0.22 | relationship between body weight (g) and snout-vent length (SVL, mm) | g | Not Reported | Juvenile | Not Reported | Palm Desert | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | range over 3 yrs at 3 sites | #/ha | Both Male and Female | Adult | 96 marked lizards | Coachella Valley | Exposure Factor Datasets | Riverside |
Sideblotched Lizard (Uta stansburiana)
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 2 yrs | deaths/100 lizards/d | Not Reported | Adult | 27-51/yr | San Joaquin Valley (elev., 460m), [lat., 37^o38'N; long., 121^o29' W] | Exposure Factor Datasets | San Joaquin |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.3 | average clutch size | eggs/female | Female | Adult | 27 | Del Puerto Canyon Road | Exposure Factor Datasets | Stanislaus |
Blunt-nosed Leopard Lizard (Gambelia sila formerly Gambelia silus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | range of average clutch size from 2 sites over 2 yrs | eggs/clutch | Female | Adult | 3-22 | Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings | |
Age at Sexual Maturity | 9 (occassionally 21) | based on presence of oviductal eggs and breeding color | mo | Female | Adult | Not Reported | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | see citation | figure of seasonal changes in body weight | g | Not Reported | Not Reported | Not Reported | Elkhorn Plain (elev., 685-765m) | Exposure Factor Datasets | San Luis Obispo |
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 | 270 | average home range estimated using minimum convex polygon method (snout-vent length, 51-79mm) | m2 | Male | Juvenile | 20 | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside | 58 (95CI) |
Home Range | 90 | average home range estimated using minimum convex polygon method (snout-vent length, 0-50mm) | m2 | Male | Hatchling | 9 | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside | 58 (95CI) |
Island Night Lizard (Xantusia riversiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | BW = -0.26 + 0.000028(SVL)^3 | lizard body weight (BW; g) as an exponential function of snout-vent length (SVL,mm) | g | Both Male and Female | Both Adults and Juveniles | 792 | Santa Barbara Island | Exposure Factor Datasets | non-pregnant | |
Age at Sexual Maturity | 2.5 | yr | Male | Adult | Not Reported | Santa Barbara Island | Exposure Factor Datasets | 0.2 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | yr | Both Male and Female | Adult | Not Reported | San Clemente, San Nicolas and Santa Barbara Islands | Exposure Factor Datasets | |
Duration of Incubation or Gestation | 14 | wks | Not Reported | Embryo | Not Reported | San Clemente, San Nicolas and Santa Barbara Islands | 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 |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 64.5 | proportion of attempted nests that fledged at least one young | % | Both Male and Female | Adult | 220 nests | 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 |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | estimated by number of times a female was found in amplexus with palpable eggs | clutches/yr | Female | Adult | Not Reported | San Diego | Exposure Factor Datasets |
Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | seeds (75%); leaves (20%); flowers (3%); stems (1%); arthropods (1%) | % by weight of stomach contents | % | Not Reported | Not Reported | 172 | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets | San Bernardino |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 1 | yr | Male | Adult | Not Reported | Owens Valley, Big Pine (lat., 37^o11'N) | Exposure Factor Datasets | Inyo |
Brush Rabbit (Sylvilagus bachmani)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Jan. - May | time of mating | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Alameda, Contra Costa, Lake, Marin, Napa |
Gopher Snake (Pituophis catenifer formerly Pituophis melanoleucus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 0.6 | #/acre | Not Reported | Not Reported | Not Reported | 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 abundance along a transect crossing 3 habitat types | #/km | Not Reported | Not Reported | Not Reported | Corral Hollow Road (elev. 91 - 488 m) | Exposure Factor Datasets | Alameda, San Joaquin |
California Brown Pelican (Pelecanus occidentalis ssp. californicus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | early to mid-summer | time of northward movement from southern breeding areas | Both Male and Female | Both Adults and Juveniles | 3 years | northern and central coast | Exposure Factor Datasets |
California Ground Squirrel (Spermophilus beecheyi)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Home Range | range of means for 2 yrs | m2 | Male | Adult | 11/yr | 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 | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | 20 | #/acre | Not Reported | Not Reported | 3 counts | Walnut Creek | Exposure Factor Datasets | Contra Costa |
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 | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 7.5 | estimated from embryo or embryo scar counts | young/litter | Female | Adult | 40 | Hastings Natural History Reservation | Exposure Factor Datasets | Monterey |
California Sea Lion (Zalophus californianus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Foraging Distance | 54.2 | km | Female | Adult | 9 | Adams Cove, San Miguel Island [lat., 34^o01'55"N; long., 120^o26'25" W] | Exposure Factor Datasets | post-partum | 32.4 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 8.1 | mean weight; El Nino 1983 | kg | Not Reported | Neonate | 31 neonates | San Nicolas Island | Exposure Factor Datasets | 3 days or less | 0.163 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 1 | pup/litter | Female | Adult | Not Reported | San Miguel Island | Exposure Factor Datasets |
Riparian Brush Rabbit (Sylvilagus bachmani ssp. riparius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | review | reported 3-4 litters per season (data source not specified) | Female | Adult | Not Reported | Exposure Factor Datasets |
California Clapper Rail (Rallus longirostris ssp. obsoletus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Modiolus demissus (56.5%), Lycosidae (15%), Macoma balthica (7.6%), Hemigrapsis oregonensis (3.2%), Hyanassa obsoleta (2%), Spartina leiantha (14.55%) | Volumetric percentage of food items in stomach contents | Not Reported | Not Reported | 18 stomachs | San Francisco Bay | Exposure Factor Datasets | Santa Clara |
California Vole (Microtus californicus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 68 | estimated by minimum area polygon | m2 | 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 | 3.3 | mean; dry season | pups/litter | Female | Adult | 6 | Russell Reservation | Exposure Factor Datasets | Contra Costa | 1.1 (95%CI) |
Body Weight - Mean | <25 | g | Both Male and Female | Juvenile | Richmond Field Station and Russel Reservation | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 24.4 | median weight at sexual maturity | g | Female | Adult | 30 | Sea Ranch | Exposure Factor Datasets | Sonoma |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 2 | wks | Not Reported | Juvenile | Not Reported | San Francisco Bay, San Rafael | Exposure Factor Datasets | Marin |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of monthly means at 3 locations | g | Male | Both Adults and Juveniles | 9-169/mo and site | Tilden Regional Park and Richmond Field Station | Exposure Factor Datasets |
San Francisco Garter Snake (Thamnophis sirtalis ssp. tetrataenia)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Oct. - Nov. | Both Male and Female | Adult | 2 mating masses | San Francisco Peninsula | Exposure Factor Datasets | San Mateo |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 3 | wk | 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 | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of mean body weights measured multiple times in individuals | g | Both Male and Female | Not Reported | 6 individuals | Owens Valley | Exposure Factor Datasets | Inyo |
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 |
---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | early to late March | timing of first influx of spring migrants to interior breeding areas | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.0 | number of young fledged per successful brood | fledglings/brood | Not Reported | Fledgling | 35 nests | Point Reyes | Exposure Factor Datasets | Marin |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 92.7 | percent of 16 day old chicks that fledged | % | Not Reported | Juvenile | 124 birds | Pajaro River Mouth | Exposure Factor Datasets | Monterey |
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 |
---|---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 2 | age of birds nesting for the first time | yr | Both Male and Female | Adult | 10 pairs | NASA Island, Seal Beach National Wildlife Refuge | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Longevity | 13 | age of oldest banded breeding birds | yr | Not Reported | Adult | 40-105 birds/year | Venice (beach) | Exposure Factor Datasets | Los Angeles |
Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | June 30 | time by which first eggs hatched | Both Male and Female | Adult | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra |
Bushtit (Psaltriparus minumus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Foraging Distance | See figure | figure showing mapping of approximate ranges of two flocks during one season | Both Male and Female | Not Reported | 2 flocks | University of California campus | Exposure Factor Datasets | Santa Barbara | nonbreeding |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of individual body weights | g | Not Reported | Hatchling | 2 birds | Stanford University Campus | Exposure Factor Datasets | Santa Clara |
Ensatina (Ensatina eschscholtzii), Loggerhead Shrike (Lanius ludovicianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 0.092 | change in snout-vent length measured between recaptures (>1000d) | mm/d | Female | Adult | Not Reported | Calaveras Big Trees State Park (elev., 1400m) | Exposure Factor Datasets | Calaveras | USA | 0.0071 |
Least Bell's Vireo (Vireo bellii ssp. pusillus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Foraging Distance | up to several hundred yards | maximum observed distance travelled by birds from the nest | Both Male and Female | Adult | 32 pairs (1 yr) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Coyote (Canis latrans)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | 0.5 | #/km2 | Not Reported | Not Reported | Not Reported | Red Bluff | Exposure Factor Datasets | Tehama |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | rodent (24.5%); deer (11.4%); other stock (12.1%); rabbit (22.9%); misc. (10.5%); sheep (9.7%); bird (3.4%); vegetation (5.5%) | overall % volume of stomach contents | % | Not Reported | Not Reported | 813 | inland Sierra 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 | 10.1 | kg | Female | Adult | 5 | Naval Petroleum Reserves (elev., 88 - 473 m) | Exposure Factor Datasets | >2 yr | Kern | 1.1 SE |
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 | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | yrs | Both Male and Female | Adult | Not Reported | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Collembola (68%); Coleoptera adults (49%); Coleoptera larvae (11%); Diptera adults (14%); Diptera larvae (16%); Hymenoptera (22%); Acarina (19%); Araneae (57%); Diplopoda (38%); Isopoda (32%) | % frequency of major food items | % | Not Reported | Both Adults and Juveniles | 37 | 1-2 mi WSW of Pepperwood, Humboldt Co. | Exposure Factor Datasets | Humboldt |
Stephens' Kangaroo Rat (Dipodomys stephensi)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 3 | mo | Female | Adult | Not Reported | Motte Rimrock Reserve and San Jacinto Wildlife Area | Exposure Factor Datasets | Riverside |
Suisun Song Sparrow (Melospiza melodia ssp. maxillaris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | 15.6-27.4 (brackish marsh), 9.1-20.5 (altered brackish marsh) | breeding population densities | pairs/ha | Both Male and Female | Adult | 11 sample areas | Suisun Bay; San Francisco Bay; San Pablo Bay | Exposure Factor Datasets | Contra Costa | breeding |
California Newt (Taricha torosa)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | #/clutch | Female | Adult | Not Reported | Santa Monica Mountains | Exposure Factor Datasets | Los Angeles |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 9.7 | g | Male | Adult | Not Reported | Trabuco, Holy Jim and Harding Canyons | Exposure Factor Datasets | Orange |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | late May - June | entire laying period | Female | Adult | Not Reported | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | invertebrates (173.8), reptiles (23.0), birds (481.0), mammals (609.5) | amount of prey taken by prey weight | g | Female | Adult | 5 | Hollister Basin (elev. 48-210 m) | Exposure Factor Datasets | San Benito, Santa Clara |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | February (peak) | period of spring migration of individuals fledged in northern CA, or at high elevations | Both Male and Female | Both Adults and Juveniles | Not Reported | throughout state | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | mammal (82%), insect (16%), other (2%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | 116 pellets | agricultural lands | Exposure Factor Datasets | Yolo |
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 | 0.19 | mean dry stomach content mass | g | Male | Adult | 55 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
Population Density | 1500 | #/ha | Both Male and Female | Not Reported | Tule Lake National Wildlife Refuge (elev., 1230 m) | Exposure Factor Datasets | Siskiyou |
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 59 | Survival rates, not mortality. | % | Female | Adult | Not Reported | Lower Klamath National Wildlife Refuge, CA | Exposure Factor Datasets | 3.4 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Population Density | 0.5 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Female | Not Reported | Not Reported | preirrigated croplands | Exposure Factor Datasets | wintering birds |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.9 | mean clutch size of successful nests | eggs | Female | Adult | 178 | Tule Lake and Lower Klamath River National Wildlife Refuges | Exposure Factor Datasets | Modoc, Siskiyou |
Bullfrog (Lithobates catesbeianus formerly Rana catesbeiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | crayfish (24%), wolf spiders (36%), long horned earwigs (20%), sowbugs (25%), german cockroaches (14%), crickets (16%), vascular plants (36%), inorganic material (12%), other animals (10%) | % frequency of occurence in stomach contents | Not Reported | Adult | 100 | lower Colorado River between Laguna and Morelos Dams | Exposure Factor Datasets |
San Joaquin Fence Lizard (Sceloporus occidentalis ssp. biseriatus)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | July | Not Reported | Hatchling | Not Reported | Puente Hills, Whittier (elev., 150 m) | Exposure Factor Datasets | Los Angeles |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Population Density | 7.8 | based on Christmas bird counts 1954-1986 | per 1,000 mi | Both Male and Female | Both Adults and Juveniles | Not Reported | Exposure Factor Datasets | 2.3 (SD) |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 70 | % | Both Male and Female | Juvenile | 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 |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.5 | mean number of chicks per nest | chicks/nest | Both Male and Female | Adult | 11 pairs | Moffett Air Force Base | Exposure Factor Datasets | Santa Clara |
Pallid Bat (Antrozous pallidus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | see citation | no values reported; see paper for figures | Both Male and Female | Juvenile | 30 | Napa Valley | Exposure Factor Datasets | Napa |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | late Mar.-early Apr. | end of winter dormancy period | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Kern, San Luis Obispo |
San Joaquin Kit Fox (Vulpes macrotis ssp. mutica)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Dietary Composition | Review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | denning density | den/28 ha - 1 den/37 ha | Both Male and Female | Adult | 1010 dens | 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 | deer mice (10.8%), kangaroo rats (8.4%), pocket gophers (2.9%), pocket mice (20.0%), woodrats (0.6%), ground squirrels (6.4%), birds (7.5%), insects (33.5%), leporids (4.7%), reptiles (2.0%), | percentage occurrence of prey types in feces | % | Both Male and Female | Adult | 834 feces | 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 | Jerusalem crickets (27%), unident. birds (2%), rabbits (3%), California ground squirrel (35%), pocket mice (2%), western harvest mice (17%), Peromyscus sp. (13%) | percent volume of total prey items in scat | % | Both Male and Female | Not Reported | 10 scats | Bethany Reservoir | Exposure Factor Datasets | Alameda |
Desert Tortoise (Gopherus agassizi)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of 95% confidence intervals | #/km2 | Both Male and Female | Both Adults and Juveniles | 2 yrs | Colorado desert, Chemehuevi Wash and Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Home Range | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
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 |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 19.64 | 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 | Female | Juvenile | 103 animals | Hastings Natural History Reservation, Carmel Valley | Exposure Factor Datasets | < 1yr | Monterey |
California Toad (Anaxyrus boreas ssp. halophilus formerly Bufo boreas ssp. halophilus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Isopoda (31.23%); Diplopoda (0.66%); Arachnida (2.14%); Orthoptera (0.35%); Dermaptera (2.65%); Coleoptera (54.06%); Lepidoptera (2.67%); Diptera (0.04%); Hymenoptera (5.92%); Unknown insects (0.3%) | % occurrence in fecal pellets examined | % | Not Reported | Adult | 320 fecal pellets/ 6 animals | residential lawn, Bakersfield [lat., 35^o21'N; long., 119^o09'W] | Exposure Factor Datasets | Kern |