California
Western Fence Lizard (Sceloporus occidentalis)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutch or Litter Size | eggs/clutch | Female | Adult | 39 - 59 | Table Mountain, Wrightwood (elev., 2200m) and Mojave desert, Pearblossom (elev., 1330m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Hatching or Parturition | July - Sept. | Not Reported | Hatchling | 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 | Error |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.035 | resting metabolic rate at 18.5C, estimated as carbon dioxide production rate | ml CO2/g/hr | Both Male and Female | Adult | 11 | Ecology Research Area, University of California, Los Angeles | Exposure Factor Datasets | reproductively active | 0.002SE |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | central Sierra Nevada (elev., 1500 or 2200m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | range of means for 6 monthly sampling periods; mean snout-vent length range, 68.5 - 76.8 mm | g | Male | Adult | 7-12 animals/month | Chatsworth [lat., 34^o25' N] | Exposure Factor Datasets |
California Newt (Taricha torosa)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | range of mean densities of egg masses measured each yr for 4 yrs | #/ 10 m2 | Not Reported | Embryo | 4 yearly surveys | 750m stretch of Cold Creek, Santa Monica Mountains | Exposure Factor Datasets | Los Angeles |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of means from 5 sampling dates | g | Female | Adult | 2-10/sampling date | Palo Alto | Exposure Factor Datasets | mature gonads |
Body Weight - Mean | range of means for 5 sampling dates | g | Female | Adult | 2-6/sampling date | Palo Alto | Exposure Factor Datasets | unmatured gonads |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | time from egg to hatching | wks | Not Reported | Embryo | Not Reported | Santa Monica Mountains | Exposure Factor Datasets | Los Angeles |
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 |
---|---|---|---|---|---|---|---|---|---|
Home Range | 248 | "distance between extremes" or maximum range on a linear scale | m | Female | Adult | 23 | Hayfork Creek (elev., 610m) | Exposure Factor Datasets | Trinity |
Home Range | 363 | "distance between extremes" or maximum range on a linear scale | m | Not Reported | Juvenile | 18 | Hayfork Creek (elev., 610m) | Exposure Factor Datasets | Trinity |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | range in density estimates at 2 locations | #/ha | Both Male and Female | Both Adults and Juveniles | Not Reported | Trinity River | Exposure Factor Datasets | Trinity |
Sideblotched Lizard (Uta stansburiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | May - Aug. | time of laying | Female | Adult | 162 | San Gabriel Mountains (elev., 1585-1829m) | Exposure Factor Datasets | Los Angeles | |
Clutches or Litters per year | clutches/yr | Female | Adult | 162 | San Gabriel Mountains (elev., 1585-1829m) | Exposure Factor Datasets | Los Angeles |
Desert Iguana (Dipsosaurus dorsalis)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 46.0 | g | Both Male and Female | Both Adults and Juveniles | 11 | Thousand Palms | Exposure Factor Datasets | 31-32 mo | Riverside | 13.4 SD |
Body Weight - Mean | 43.3 | g | Both Male and Female | Adult | 5 | Thousand Palms | Exposure Factor Datasets | 43-44 mo | Riverside | 9.7 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Plant Species: Ambrosia dumosa (19.6%); Coldenia palmeri (10.1%); Dalea schottii (14.4%); Euphorbia polycarpa (4.5%); Geraea canescens (3.1%); Larrea divaricata (32.7%); Palafoxia linearis (11.7%); Rafinesquia neomexicana (1.6%); Schismus barbatus (0.7%);Arthropods (0.5%); Rodent feces (0.5%); Shed skin (0.6%) | mean % of total dry matter stomach contents | % | Not Reported | Adult | 6 | Thousand Palms | Exposure Factor Datasets | Riverside |
Dietary Composition | Plant Species: Ambrosia dumosa (15.4%); Coldenia palmeri (68.3%); Croton californica (2.8%); Dalea emoryi (5.9%); Dalea schottii (5.6%); Arthropods (1.3%); Gravel (0.8%) | mean % of total dry matter stomach contents | % | Not Reported | Hatchling | 12 | Thousand Palms | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | > 4.5 | yr | Both Male and Female | Adult | Not Reported | Dale Dry Lake, Palm Springs and Algodones Dunes | Exposure Factor Datasets | Imperial, Riverside, San Bernardino |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Plants: Dicoria canescens (45%); Flower heads of composite (10%); Coldenia sp. (5%); Trifolium sp. (20%); Animal: Grasshoppers (5%); Dipsosaurus (5%); Fecal pellets (5%) | % volume of total stomach contents | % | Not Reported | Not Reported | 12 | Coachella Valley | Exposure Factor Datasets | Riverside |
Dietary Composition | Plants: Dicoria canescens (50%); Flower heads of composite (25%); Dalea emoryi ? (10%); Coldenia sp. (10%) | % volume of total stomach contents | % | Not Reported | Not Reported | 8 | Coachella Valley | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | see citation | figure of % of food item in diet, based on dry weight of stomach contents | % | Not Reported | Not Reported | 11-14/season or location | Palm Desert and Thousand Palms | Exposure Factor Datasets | Riverside |
Blunt-nosed Leopard Lizard (Gambelia sila formerly Gambelia silus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Apr. - May | time of mating | Both Male and Female | Adult | 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 | 11.8 | increase in snout-vent length before retreat in Oct. | mm/mo | Both Male and Female | Hatchling | 2 | Pixley National Wildlife Refuge, Delano and Kettleman Hills | Exposure Factor Datasets | Kern, Kings, Tulare |
Growth Rate | increase in snout-vent length for juvenile to 9 mo period | mm/mo | Both Male and Female | Juvenile | 7 | 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 |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Overall Total (837); Arthropod Total (383); Vertebrate Total (1); Plant Total (277): Includes; Insects, Coleoptera (8); Diptera (2); Hemiptera (34); Homoptera (45); Hymenoptera (461); Neuroptera (1); Lizards, Phrynosomatidae (2); Plants, Asteraceae (85); Boraginaceae (65); Loasaceae (128) | total numbers of food items found in stomach contents | # | Female | Adult | 17 | Whitewater Floodplain Reserve, Palm Springs | 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 | Not Reported | Whitewater Floodplain Reserve, Palm Springs | Exposure Factor Datasets | Riverside |
Island Night Lizard (Xantusia riversiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Growth Rate | 0.011 | increase in snout-vent length (80-90 mm size class) | mm/d | Not Reported | Not Reported | Santa Barbara Island | Exposure Factor Datasets | 6.9 yr | 0.002 SE |
Growth Rate | 0.005 | increase in snout-vent length (90-100 mm size class) | mm/d | Not Reported | Not Reported | Santa Barbara Island | Exposure Factor Datasets | 12.4 yr | 0.004 SE |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Body Weight - Mean | g | Both Male and Female | Adult | Not Reported | San Clemente Island | Exposure Factor Datasets |
Body Weight - Mean | g | Both Male and Female | Neonate | Not Reported | San Clemente Island | Exposure Factor Datasets |
California Brown Pelican (Pelecanus occidentalis ssp. californicus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | northern anchovy, Engraulis mordax (80%) | percent of estimated prey biomass, from pre-fledgling regurgitations | Not Reported | Nestling | 3 colonies | Southern California Bight | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Fledging or Weaning Rate | range of mean fledging rates (number of fledglings per built nest) over a 6 year period | Not Reported | Fledgling | 76-1258 nests/year | West Anacapa Island | Exposure Factor Datasets |
Pacific Treefrog (Pseudacris regilla formerly Hyla regilla)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Time of Torpor or Hibernation | July - Oct. | Not Reported | Not Reported | Not Reported | Gorman (elev., 4000 ft) and Palmdale (elev., 2000 ft) | Exposure Factor Datasets | Los Angeles |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | spring - summer | breeding | Both Male and Female | Adult | Not Reported | Angelo Coast Range Reserve [lat., 39^o44'N; long., 123^o39'W] | Exposure Factor Datasets | Mendocino |
Santa Cruz Long-toed Salamander (Ambystoma macrodactylum ssp. croceum)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Growth Rate | see citation | figure of seasonal changes in total length | Both Male and Female | Juvenile | Not Reported | Valencia Lagoon, Rio Del Mar | Exposure Factor Datasets | Santa Cruz |
Brush Rabbit (Sylvilagus bachmani)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 69 | average radii drawn from computed center of activity to capture points | ft | Female | Adult | 10 | Berkeley Hills | Exposure Factor Datasets | 8 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Home Range | 131 | mean range diameter | ft | Male | Juvenile | 17 | Humboldt Bay | Exposure Factor Datasets | Humboldt |
Audubon's Cottontail (Sylvilagus audubonii ssp. audubonii)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3 | young/litter | Female | Adult | Not Reported | Sacramento Valley, Durham | 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 | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 7.9 | young/litter | Female | Adult | 47 | University of California, Santa Cruz Campus ( elev., 120 m) [lat., 37^0W; long., 122^oW] | Exposure Factor Datasets | Santa Cruz | multiparous | 0.3 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 599.6 | g | Not Reported | Not Reported | 10 | University of California, Irvine | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 1 | yr | Both Male and Female | Adult | Not Reported | University of California, Santa Cruz Campus [lat., 37^oN; long., 122^oW] | Exposure Factor Datasets | Santa Cruz |
Deer Mouse (Peromyscus maniculatus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Condition | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | teenager | Adult, Neonate | 47 | Blue Lake, 75 long., 95 lat. |
Exposure Factor Datasets | 0-1 day | Alpine | ||||
Body Weight - Mean | 16.9 | g | Both Male and Female | Adult | 23 | Blue Lake, 75 long., 95 lat. |
Exposure Factor Datasets | 2 years | Alpine | Breeding | 0.32 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 2 | Minimum 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 |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Mating/ Laying | Apr. - Dec. | Both Male and Female | Adult | Not Reported | Bass Lake (elev., 4500 ft.) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | seeds (0-80%); fruit (0-30%); arthropods (0-80%); leaves (7-32%); fungi (0%); misc. (0-19%) | volumetric % of stomach contents, range of monthly means for 2 yrs. and 2 habitat types | % | Not Reported | Not Reported | 53-66 | western slope of Sierra Nevada (elev., 3500 - 5000 ft.) | Exposure Factor Datasets |
California Sea Lion (Zalophus californianus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | daily energy intake estimated from milk intake; range of means for 2 yrs | kcal/d | Female | Pup | 1-8/yr | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 1 mo |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 380 | kg | Male | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 95.0 | daily weight gain during 1st mo of life | g/d | Female | Pup | 4 | San Nicolas Island | Exposure Factor Datasets | 5-30 d | 11.75 SE |
Food Ingestion Rate | 7.37 | daily milk intake as % of pup body weight | %/d | Female | Pup | 7 | San Nicolas Island | Exposure Factor Datasets | 5-30 d | 0.242 SE |
Light-footed Clapper Rail (Rallus longirostris ssp. levipes)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 6.55 | mean clutch size (1 year) | Female | Adult | 33 nests | Tijuana Marsh, Upper Newport and Anaheim Bays | Exposure Factor Datasets | Orange | 0.19 SE |
California Vole (Microtus californicus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | "typical" body weight | g | Male | Adult | Not Reported | Brooks Island, San Francisco Bay | Exposure Factor Datasets | >25 d | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | .766 | minimum survival rate per 2 wks | Female | Adult | 7 breeding seasons (6 populations pooled) | Berkeley | Exposure Factor Datasets | breeding season |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Home Range | 87.5 | estimated by minimum area probability (0.95) method | m2 | Male | Adult | 2 | Richmond Field Station | Exposure Factor Datasets | subadult | Contra Costa | 1.5 SE |
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 weight | g | Male | Adult | Not Reported | Sea Ranch | Exposure Factor Datasets | Sonoma |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Oct. - Aug. | based on % scrotal males and performate females; overall range varied by location and year | Both Male and Female | Adult | Not Reported | Tilden Regional Park and Richmond Field Station | Exposure Factor Datasets |
Common Garter Snake (Thamnophis sirtalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Hyla (55.5%); Catostomus (21.8%); Microtus (5.4%); Rhinichthys (11.5%) | % of total volume of stomach contents | % | Both Male and Female | Not Reported | <110 | Kyburz Flat | Exposure Factor Datasets | Sierra |
Gopher Snake (Pituophis catenifer formerly Pituophis melanoleucus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 460 | median distance traveled between recaptures | ft | Both Male and Female | Adult | 25 | San Joaquin Experimental Range | Exposure Factor Datasets |
Great Horned Owl (Bubo virginianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 1 | estimated population density based on call counts | bird/100 acres | Not Reported | Adult | 7 counts | San Joaquin Experimental Range | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Neotoma fuscipes (7.9%), Thomomys bottae (20.7%), Mus musculus (25.0%), Microtus californicus (14.9%), Reithrodontomys megalotis (1.7%), Perognathus sp. (4.1%), Dipodomys agilis (4.3%), Peromyscus sp. (3.8%), Notiosorex crawfordi (0.3%), Sylvilagus sp. (0.8%), Sorex ornatus (0.1%), Scapanus latimanus (0.7%), Stenopelmatus sp (2.1%), Elgaria multicarinata (0.1%), unident. birds (4.3%) | percent of total number of specimens identified in pellets | Not Reported | Not Reported | 25 lbs of pellets | Univ. of Calif., Los Angeles campus | Exposure Factor Datasets | Los Angeles |
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 Migration or Dispersal | first two wks Apr | timing of dispersal from breeding areas | Both Male and Female | Both Adults and Juveniles | 1 colony | Sunset Aquatic Park, Huntington Beach | Exposure Factor Datasets | Orange |
Audubon's Cottontail (Sylvilagus audubonii)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | young/litter | Female | Adult | 2 | Volta and Kesterson | Exposure Factor Datasets | Merced |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 1550 | m2 | Male | Adult | 4 | New Chicago Marsh, San Francisco Bay National Wildlife Refuge | Exposure Factor Datasets |
Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | 6 | #/ha | Both Male and Female | Adult | Not Reported | Boyde Deep Canyon Reserve (elev., 300m) | Exposure Factor Datasets | Riverside |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of monthly density estimates over 2 yrs | #/ha | Not Reported | Not Reported | Not Reported | Indian Cove, Joshua Tree National Monument | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 36 | g | Male | Not Reported | NR (74 males and females total) | Owens Valley | Exposure Factor Datasets | Inyo | 0.22 SE |
Stephens' Kangaroo Rat (Dipodomys stephensi)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 67.26 | g | Both Male and Female | Adult | 14 | Bonsall and San Luis Rey | Exposure Factor Datasets | San Diego |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Home Range | range of median maximum distance moved based on telemetry at 2 sites; 21 - 91 d observation | m | Female | Adult | 9 | Motte Rock Ecological Reserve [lat., 33^o53'N; long., 117^o6'W] and San Jacinto Wildlife Area [lat., 33^o51'N; long., 116^o54'W] | Exposure Factor Datasets | Riverside |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 4.00 | body weight of average adult | oz | Not Reported | 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 |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.643 | minimum annual survival rate of marked individuals | Not Reported | Juvenile | 14 birds | Point Reyes | Exposure Factor Datasets | Marin |
Killdeer (Charadrius vociferus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 2.2 (fall), 1.8 (winter), 1.3 (spring) | mean population density | birds/ha | Not Reported | Not Reported | 10 seasons censused | Limantour Estero | Exposure Factor Datasets | Marin |
Coyote (Canis latrans)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | mule deer (3%); small mammals (18%); birds (2%); reptiles (2%); insects (2%); fruits (82%); other (1%) | % frequency of food items in scats | % | Not Reported | Not Reported | 199 | Sierra National Forest (elev. 300 -3900 m) | Exposure Factor Datasets | Fresno |
San Clemente Loggerhead Shrike (Lanius ludovicianus ssp. mearnsi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 45 | percent of fledglings that died before reaching independence from parents | % | Not Reported | Fledgling | 29 nests | San Clemente Island | Exposure Factor Datasets |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | see citation | monthly % volume of food items (detailed species-specific list) in feces | % | Both Male and Female | Not Reported | 3 - 26/mo | Irvine Ranch | Exposure Factor Datasets | Orange |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Longevity | up to 7 | years | Both Male and Female | Adult | 6 animals (from 1000) | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa |
Suisun Song Sparrow (Melospiza melodia ssp. maxillaris)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Water Ingestion Rate | review | Not Reported | Not Reported | Not Reported | Suisun Bay | Exposure Factor Datasets |
Ensatina (Ensatina eschscholtzii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Home Range | 32.8 | average distance moved between recaptures | ft | Male | Adult | 17 | Pinehurst Madrone Grove Park | Exposure Factor Datasets | Contra Costa |
San Pablo Song Sparrow (Melospiza melodia ssp. samuelis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 24.5; 15.4; 5.4 | depending on habitat type | nesting pairs/ha | Both Male and Female | Adult | 4 (nesting pair density) | Petaluma marsh | Exposure Factor Datasets | Sonoma |
California Red-legged Frog (Rana draytonii formerly Rana aurora ssp. draytonii)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | July - Sept. | Both Male and Female | Tadpole | Not Reported | Exposure Factor Datasets |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | 115 | average density | individuals/100 mi | Both Male and Female | Both Adults and Juveniles | 205 obs. | agricultural lands | Exposure Factor Datasets | Colusa, Humboldt, Lake, Mendocino, Yolo | +/- 25 95% CI |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 3.1 | fledged/active nest | Both Male and Female | Fledgling | 36 nests | Great Basin (1260-2340 m) | Exposure Factor Datasets | Lassen |
Sea Otter (Enhydra lutris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Age at Sexual Maturity | 6.5 | yr | Male | 22 | Central coast | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 4.7 | km^2 | Female | Adult | 8 | Santa Cruz to San Luis Obispo | Exposure Factor Datasets | Residents | 2.9 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 35 | Home range for territorial males | ha | Male | Adult | 4 | Monterey | Exposure Factor Datasets | Monterey | 8.75 SE |
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 | 0.14 | mean dry stomach content mass | g | Female | Juvenile | 29 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.5 | eggs | Not Reported | Not Reported | 1934 | Suisun Marsh | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 314,712 | 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 | Sacramento Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.5462 | survival estimates for birds banded 1972-1981 | Female | Adult | 1,240 | Central California | Exposure Factor Datasets | 0.0561 (SE) |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.37 | mean clutch size | eggs | Female | Adult | 40 nests | Conaway Ranch | Exposure Factor Datasets | Yolo | breeding |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | mammals (31.4%), birds (5.9%), insects (28.6%), vegetation (61.0%) | mean percent occurrence in pellets | Both Male and Female | Not Reported | 608 pellets | Oakland Airport | Exposure Factor Datasets |
Desert Tortoise (Gopherus agassizi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1578 | annual, time-weighted body mass | g | Female | Adult | 9 | Fenner Valley, Goffs (elev., 680m) {lat., 34^o51'N; long., 115^o09'W] | Exposure Factor Datasets | San Bernardino | 244 SD |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Body Weight - Mean | g | Both Male and Female | Not Reported | 24 | Ivanpah Valley [lat., 35^o23'N; long., 115^o18'W] | Exposure Factor Datasets | San Bernardino |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 97.8 | annual survival rate for subadults and adults | % | Female | Both Adults and Juveniles | Not Reported | Fenner Valley, Goffs (elev., 732m) | 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 |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | human derived food items (12.2%), ground squirrel (67.8%), pocket gopher (3.9%), unident. rodent (5.0%), leporid (5.0%), bird (12.2%), insect (23.3%), other (2.2%) | frequency of occurrence in scats | % | Not Reported | Not Reported | 180 scats | Bakersfield, CA | Exposure Factor Datasets | Kern |
Desert Kit Fox (Vulpes macrotis ssp. arsipus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Longevity | 2.4 | measured from time of capture to time of last capture or radio-telemetry location | mo | Both Male and Female | Adult | 13 foxes | Rand Open Area and Desert Tortoise Research Natural Area | Exposure Factor Datasets | Kern | 0.7 SE |
San Joaquin Fence Lizard (Sceloporus occidentalis ssp. biseriatus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1-3 | clutches/yr | Female | Adult | 118 | Puente Hills and San Gabriel River, Whittier | Exposure Factor Datasets | Los Angeles |
California Clapper Rail (Rallus longirostris ssp. obsoletus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 0.69 | mean breeding density based on rope drag and call count data | birds/ha | Both Male and Female | Adult | 55 ha | south San Francisco Bay - Ideal Marsh | Exposure Factor Datasets | Alameda |
Northwestern Fence Lizard (Sceloporus occidentalis ssp. occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Thysanura (0.5%); Collembola (1.0%); Dermaptera (0.5%); Orthoptera (37.1%); Isoptera (6.2%); Ephemeroptera (0.5%); Plecoptera (2.9%); Homoptera (5.7%); Hemiptera (27.6%); Coleoptera (42.4%); Diptera (47.1%); Lepidoptera (18.1%); Hymenoptera (20.9%); Isopoda (2.4%); Chilopoda (0.5%); Araneida (19.0%); Acarina (1.0%); S. occidentalis (1.4%) | percent of lizards in which prey type occurred in stomach contents | % | Both Male and Female | Adult | 210 | oak-grassland and creosote bush-rocky moutain terrain | Exposure Factor Datasets | Lake, Marin, Mendocino, Napa, San Mateo, Shasta, Sonoma, Tehama, Trinity |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Longevity | 1.53 | mean life span | yr | Both Male and Female | Adult | 725 birds | Berkeley | Exposure Factor Datasets | Contra Costa | 0.19 SE |