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Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | S = -9.37T + 408 | seed consumption (S) in mg/g bw/d as a function of ambient temperature, in centigrade (T) | Not Reported | Not Reported | 8 individuals | Exposure Factor Datasets | |||
Food Ingestion Rate | seed consumption measured in field enclosures | 76-197 | mg/g bw/d | Both Male and Female | Not Reported | Owens Valley | 6 individuals | Exposure Factor Datasets | |
Body Weight - Mean | range of mean body weights measured multiple times in individuals | 7.3-7.8 | g | Both Male and Female | Not Reported | Owens Valley | 6 individuals | Exposure Factor Datasets | |
Food Ingestion Rate | amount of seed consumed at 6.5 degrees C | 20-316 | mg/g bw/d | Not Reported | Not Reported | 10 individuals | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | total daily energy expenditure | 54-69 | kJ/h | Male | Adult | Hudson Biological Reserve | 2-4 birds per breeding phase | Exposure Factor Datasets |
Metabolic Rate | total daily energy expenditure | 52-65 | kJ/d | Female | Adult | Hudson Biological Reserve | 2-6 birds per breeding phase | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.39 | mean clutch size | eggs/clutch | Female | Adult | 18 clutches | Exposure Factor Datasets |
Fledging or Weaning Rate | 1.78 | mean number of fledglings per nest | fledglings/nest | Both Male and Female | Fledgling | 18 clutches | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 17 | pairs/172 miles of river | Both Male and Female | Adult | Yukon River | 17 pairs | Exposure Factor Datasets | |
Clutch or Litter Size | 3.09 | average number of eggs or downy chicks per pair | eggs or downy chicks/nest | Both Male and Female | Adult | Yukon River | 11 pairs | Exposure Factor Datasets |
Fledging or Weaning Rate | 1.80 | average number of fledged or nearly fledged young per occupied cliff | fledglings/nest | Both Male and Female | Adult | Yukon River | 12 pairs | Exposure Factor Datasets |
Dietary Composition | waterfowl (50%), shorebirds (10-12%), small gulls (10-15%), small land birds (20%), small mammals (2-3%) | dietary contribution of groups of species, by weight, based on collection of remains at nests | Both Male and Female | Adult, Chick | Yukon River | 329 prey items | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Time of Nesting | Mar. - June | time when eggs were laid to time when all young abandoned nests | Female | Adult | Ojo de Liebre Lagoon, Baja California | 3 breeding pairs | Exposure Factor Datasets | |
Time of Mating/ Laying | Feb. - Mar. | time of laying | Female | Adult | Ojo de Liebre Lagoon, Baja California | 3 breeding pairs | Exposure Factor Datasets | |
Time of Hatching or Parturition | Mar. - Apr. | Both Male and Female | Hatchling | Ojo de Liebre Lagoon, Baja California | 3 breeding pairs | Exposure Factor Datasets | ||
Time of Fledging or Metamorphosis | May - June | Both Male and Female | Hatchling | Ojo de Liebre Lagoon, Baja California | 3 breeding pairs | Exposure Factor Datasets | ||
Clutch or Litter Size | 3.3 | average clutch size | eggs/nest | Female | Adult | Ojo de Liebre Lagoon, Baja California | 3 breeding pairs | Exposure Factor Datasets |
Fledging or Weaning Rate | 2.6 | average fledging rate | fledglings/active nest | Both Male and Female | Fledgling | Ojo de Liebre Lagoon, Baja California | 3 breeding pairs | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Holboell's grebe (2.4%); green-winged teal (9.7%); buffle-head (2.7%); sparrow hawk (2.4%); spruce grouse (2.4%); ruffed grouse (2.4%); lesser yellow-legs (9.7%); gulls (19.6%); hawk owl (2.4%); northern flicker (2.4%); Alaska jay (12.5%); Hudsonian chickadee (2.4%); gray-cheeked thrush (2.4%); rusty blackbird (2.4%); pine grosbeak (2.4%); robin (4.9%); unidentified passerines (17.0%) | estimated from prey item remains lying about the bluffs in study area | % total prey | Not Reported | Not Reported | Tanana River, Chena | 52 prey items | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Feb. - Mar. | time of mating | Both Male and Female | Adult | Sierra Madre Oriental, Nuevo Leon | Not Reported | Exposure Factor Datasets | |
Time of Hatching or Parturition | Apr. | Both Male and Female | Hatchling | Sierra Madre Oriental, Nuevo Leon | Not Reported | Exposure Factor Datasets | ||
Hatching Success | 1.8 | average over 4 yr study period | young/successful nesting | Both Male and Female | Hatchling | Sierra Madre Oriental, Nuevo Leon | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|
Clutch or Litter Size | review | Female | Adult | Not Reported | Exposure Factor Datasets |
Fledging or Weaning Rate | review | Both Male and Female | Fledgling | Not Reported | Exposure Factor Datasets |
Survival/ Mortality | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | range for two sites over two yrs | 2 - 4 | eggs/nest | Female | Adult | 4 | Exposure Factor Datasets |
Fledging or Weaning Rate | range over 2 yrs | 1.6 - 2.0 | young/pair | Both Male and Female | Fledgling | 7 - 9 pairs | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 41.7 | mean egg weight | 30.4 - 46.9 | g | Not Reported | Embryo | Thelon River, Northwest Territories | 13 | Exposure Factor Datasets |
Clutch or Litter Size | 3.3 | mean clutch size | eggs/clutch | Female | Adult | Thelon River, Northwest Territories | 29 | Exposure Factor Datasets | |
Time of Mating/ Laying | May - June | time of laying | Female | Adult | Thelon River, Northwest Territories | 19 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 43 | percent of adults lost before next breeding season; adults produced brood sizes of 3-4 | % | Both Male and Female | Adult | Queen Charlotte Islands, British Columbia (lat., 54^oN; long., 113^oW) | 44 | Exposure Factor Datasets |
Survival/ Mortality | 23 | percent of adults lost before next breeding season; adults produced brood sizes of 0-2 | % | Both Male and Female | Adult | Queen Charlotte Islands, British Columbia (lat., 54^oN; long., 113^oW) | 60 | Exposure Factor Datasets |
Body Weight - Mean | see citation | figure of nestling weights at various ages | g | Both Male and Female | Nestling | Queen Charlotte Islands, British Columbia (lat., 54^oN; long., 113^oW) | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 25 | mortality rate | % | Not Reported | Adult | 81 birds banded as nestlings | Exposure Factor Datasets |
Survival/ Mortality | 68 | mortality rate | % | Not Reported | Juvenile | 27 birds | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.64 | fledging rate per adult pair | fledglings/pair | Both Male and Female | Adult, Juvenile | 125 territories | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.24 | mean fledging rate for pairs fledging >1 young; estimated over a 10 yr period | young fledged/pair | Both Male and Female | Adult | coastal habitats | 42 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.21 | 1-4 | eggs/nest | Female | Adult | Southern Germany | 24 nests | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Inhalation Rate | 30.1 | respiration rate during darkness | 0.76 SE | breaths/min | Male | Adult | 1 bird | Exposure Factor Datasets |
Inhalation Rate | 34.9 | respiration rate during darkness | 1.29 SE | breaths/min | Male | Adult | 1 bird | Exposure Factor Datasets |