Food Ingestion Rate
Western Grebe (Aechmophorus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 22.4 | estimated mass of fish consumed daily, based on stomach contents | g | Not Reported | Adult | 1 bird | Clear Lake | Exposure Factor Datasets | Lake |
Great Horned Owl (Bubo virginianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 62.6 | average daily consumption on an all mouse diet | g/d | Not Reported | Adult | 1 owl | collected in Larimer County, CO | Exposure Factor Datasets | Laboratory |
Coyote (Canis latrans)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Food Ingestion Rate | % body weight/d based on a deer and snowshoe hare diet | %/d | Both Male and Female | Both Adults and Juveniles | 3 animals/ 1-2 time periods | Chequamegon National Forest | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | range of daily dry matter intake per unit metabolic weight (g food/body weight^0.75) for deer, hare or mice diets | g/kg/d | Both Male and Female | Juvenile | 4 | captured in Aroostook County, ME | Exposure Factor Datasets | 9 mo | Laboratory |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | seed consumption measured in field enclosures | mg/g bw/d | Both Male and Female | Not Reported | 6 individuals | Owens Valley | Exposure Factor Datasets | Inyo | |
Food Ingestion Rate | amount of seed consumed at 6.5 degrees C | mg/g bw/d | Not Reported | Not Reported | 10 individuals | Exposure Factor Datasets | Laboratory |
Bullfrog (Lithobates catesbeianus formerly Rana catesbeiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 7.1 | mean % body weight consumed per day, body weight mean = 17.5 g | % | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 1 mo post-transformation | Laboratory | |
Food Ingestion Rate | 5.9 | mean % body weight consumed per day, body weight mean = 29.8 g | % | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 2 mo post-transformation | Laboratory | |
Food Ingestion Rate | 4.0 | mean % body weight consumed per day, body weight mean = 42.4 g | % | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 3 mo post-transformation | Laboratory | |
Food Ingestion Rate | 3.3 | mean % body weight consumed per day, body weight mean = 55.8 g | % | Not Reported | Juvenile | 25 | Exposure Factor Datasets | 4 mo post-transformation | Laboratory |
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 | 0.15 | mean dry stomach content mass | g | Female | Juvenile | 22 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.03 SE |
Food Ingestion Rate | 0.16 | mean dry stomach content mass | g | Male | Juvenile | 57 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.02 SE |
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 |
Food Ingestion Rate | 0.28 | mean dry stomach content mass | g | Female | Juvenile | 38 | Tule Lake National Wildlife Refuge (1230 m) | Exposure Factor Datasets | Siskiyou | 0.05 SE |
Western Fence Lizard (Sceloporus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 249 | mean measured stomach content fresh weight of lizard averaging 8.1 g | mg | Female | Not Reported | 194 | valley grassland (elev., 150m), central Sierra Nevada | Exposure Factor Datasets | 180SD |
Food Ingestion Rate | 223 | mean measured stomach content fresh weight of lizard averaging 11.3 g | mg | Male | Not Reported | 256 animals | yellow pine forest (elev., 1500m), central Sierra Nevada | Exposure Factor Datasets | 171SD |
Food Ingestion Rate | 219 | mean measured stomach content fresh weight of lizard averaging 8.6 g | mg | Female | Not Reported | 184 animals | yellow pine forest (elev., 1500m), central Sierra Nevada | Exposure Factor Datasets | 182SD |
California Sea Lion (Zalophus californianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 723 | daily milk intake | g/d | Male | Pup | 24 | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 1-2 mo | 31.0 SE |
Food Ingestion Rate | 609 | daily milk intake | g/d | Female | Pup | 19 | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 1-2 mo | 24.0 SE |
Food Ingestion Rate | daily energy intake estimated from milk intake; range of means for 2 yrs | kcal/d | Male | Pup | 5-9/yr | San Nicolas Island [lat., 33^oW; long., 119^oW] | Exposure Factor Datasets | 1 mo | ||
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 |
Broad-footed Mole (Scapanus latimanus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | see citation | figure of % dog food or earthworms ingested/body weight over 20 d | Not Reported | Not Reported | 4 | Exposure Factor Datasets | Laboratory |
Salt-marsh Harvest Mouse (Reithrodontomys raviventris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 0.245 | daily rate of consumption of Diablo animal chow (dry pellets) | g/g/d | Both Male and Female | Adult | 6 | captured in Contra Costa County, CA | Exposure Factor Datasets | Laboratory |
Deer Mouse (Peromyscus maniculatus ssp. borealis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | food ingestion during lactation; minimum from 0-3 d postpartum, maximum at 12-15 d postpartum. | g/d | Female | Adult | 41 | Original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | 0 - 15 d | Lactation | Laboratory | |
Food Ingestion Rate | 0.15 | daily ingestion rate; animals fed Purina rat pellets | g/g/d | Female | Adult | 18 | Original pairs trapped at Heart Lake, Northwest Territories | Exposure Factor Datasets | nonbreeding | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 3.67 | daily ingestion rate; animals fed Purina lab chow; body weight averaged 20.34 g | g/d | Female | Adult | 40 | captured at Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | non-breeding | 0.11 SE | Laboratory |
Food Ingestion Rate | 194.2 | cumulative food ingestion from parturition to weaning (approx. 24 d); Purina lab chow | g | Female | Adult | 37 | captured at Kananaskis Valley, Alberta [lat., 51 N] | Exposure Factor Datasets | lactating | 5.5 SE | Laboratory |
Long-tailed Weasel (Mustela frenata)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 22 | % body weight consumed/d | Both Male and Female | Juvenile | 7 | captured at Delta, Manitoba, Canada | Exposure Factor Datasets | 5-7 wks | Laboratory |
Food Ingestion Rate | 24 | % body weight consumed/d | Both Male and Female | Juvenile | 7 | captured at Delta, Manitoba, Canada | Exposure Factor Datasets | 8-10 wks | Laboratory |
Food Ingestion Rate | 18 | % body weight consumed/d | Both Male and Female | Adult | 7 | captured at Delta, Manitoba, Canada | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Food Ingestion Rate | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 412 (foxtail); or 468 (smartweed); or 85 (hemp); or 3943 (pigweed) | estimated number of seeds per hour required at 0 degrees C for active individuals | seeds/hour | Not Reported | Adult | Not Reported | Exposure Factor Datasets | active | Laboratory |
Kit Fox (Vulpes macrotis ssp. nevadensis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 175 | average daily consumption in captivity | g/day | Both Male and Female | Adult | Not Reported | Tooele County, west. UT | Exposure Factor Datasets | Laboratory |
Valley Garter Snake (Thamnophis sirtalis ssp. fitchi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 14 | average % of their body mass in frogs ingested per day, estimated from field metabolic rate | % | Both Male and Female | Adult | 72 | Eagle Lake (elev., 1800 m) | Exposure Factor Datasets | Lassen |
Pallid Bat (Antrozous pallidus)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Food Ingestion Rate | Review | Both Male and Female | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | range of mean monthly rates of ingestion of mealworm diet, measured over three years | g/mo | Male | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
California Toad (Anaxyrus boreas ssp. halophilus formerly Bufo boreas ssp. halophilus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | see citation | figure of biomass of food ingested by juvenile toads maintained at various temperatures | Not Reported | Juvenile | 9-11 animals/group | Exposure Factor Datasets | one-yr or newly metamorphosed | Laboratory |
Desert Tortoise (Gopherus agassizi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 160 | estimated amount fresh food consumed during first year of life (average body mass = 35 g) | g | Not Reported | Juvenile | Not Reported | Fort Irwin National Training Center, Barstow | Exposure Factor Datasets | 1 yr | San Bernardino |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | see figure | estimated average energy intake during the nestling period (to 50 days of age) | kcal/bird/day | Both Male and Female | Nestling | Not Reported | Duck Island, Isles of Shoals (43 deg. N, 70 deg. 35' W) | Exposure Factor Datasets |
Kit Fox (Vulpes macrotis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 115 | estimated daily food intake based on a desert kangaroo diet (7.38 kJ/g wet wt) and calculated daily energy requirements (see Golightly, 1981) | g/d | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Sea Otter (Enhydra lutris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 4.04 | kg/d | Female | Adult | 1 | Exposure Factor Datasets | Laboratory |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 16.1% | daily food ingestion as percent of body weight | % | Not Reported | Not Reported | 22 birds | Exposure Factor Datasets | Laboratory |