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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 |
Fledging or Weaning Rate | 2.46 | 1-4 | fledglings/brood | Both Male and Female | Fledgling | 48 broods | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.6 | fledlings/pair | Both Male and Female | Fledgling | Not Reported | Exposure Factor Datasets | ||
Survival/ Mortality | brood survival; increase to 60% in 1991, due to protective measures | 40-60 | % | Not Reported | Fledgling | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | range over 2 yrs | 2.45 - 2.94 | young/successful nest | Both Male and Female | Adult | Wager Bay, Northwest Territories | 11 - 18 nests | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 16 | average maximum loss rate; estimated by number of individuals returning to nest in 2 successive yrs | % | Both Male and Female | Adult | 23 - 34 cases | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.70 | average clutch size | 1-5 | eggs/clutch | Female | Adult | 77 clutches | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Population Density | range of mean distances (SE) between adjacent nests | 5.6 (2.4) - 8.0 (6.9) | km | Both Male and Female | Adult | Grand Canyon National Park | 3 sites, 9-26 nests per site | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | range of annual mortality rates over 3 years, corrected for known movements | 29-33 | % | Female | Adult | Colville, Sagavanirktok, Yukon, and Tanana Rivers | 7-11 recaptured birds/yr | Exposure Factor Datasets | |
Age at Sexual Maturity | 2.8 (female); 2.6 (male) | mean age when first captured as a breeding adult | yr | Both Male and Female | Adult | Colville, Sagavanirktok, Yukon, and Tanana Rivers | 20 females; 5 males | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | mortality rate in Germany and Finland of ringed birds | 19-28 | % | Not Reported | Both Adults and Juveniles | 209 birds | Exposure Factor Datasets | |
Survival/ Mortality | mortality rate of ringed young birds | 56-71 | % | Not Reported | Juvenile | 134 birds | Exposure Factor Datasets | |
Longevity | 15 | years | Not Reported | Adult | 1 bird | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | 1 pair per 17sq. km | pairs | Both Male and Female | Adult | Rankin Inlet, Hudson Bay (62 deg49'N, 92 deg05'W) | 6 survey years; 17-26 territories per year | Exposure Factor Datasets | |||
Fledging or Weaning Rate | 1.91 | representative number of fledglings per nest attempt in a "normal year" | 0.54-2.35 | fledglings/nest | Both Male and Female | Fledgling | Rankin Inlet, Hudson Bay (62 deg49'N, 92 deg05'W) | 101 pairs | Exposure Factor Datasets | |
Clutch or Litter Size | 3.62 | mean number of eggs laid per nest attempt | 0.59 SD | eggs/clutch | Female | Adult | Rankin Inlet, Hudson Bay (62 deg49'N, 92 deg05'W) | 84 nest attempts | Exposure Factor Datasets | |
Hatching Success | 87% | ratio of total eggs hatched to total eggs produced | % | Both Male and Female | Hatchling | Rankin Inlet, Hudson Bay (62 deg49'N, 92 deg05'W) | 101 pairs | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Type |
---|---|---|---|---|---|---|
Population Density | review | review of factors controlling population density | Both Male and Female | Adult | 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 |
Dietary Composition | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Duration of Incubation or Gestation | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Fledging or Weaning Rate | review | Both Male and Female | Fledgling | Not Reported | Exposure Factor Datasets |
Population Density | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Time of Mating/ Laying | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Age at Sexual Maturity | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 89.7-94.7 | range of home range sizes | square km | Female | Adult | Cape Peninsula | 2 | Exposure Factor Datasets |
Foraging Distance | 9.2 | maximum distance travelled from nest cliff | km | Female | Adult | Cape Peninsula | 2 | Exposure Factor Datasets |
Foraging Distance | 11.1-16.4 | maximum distance travelled from nest cliff | km | Male | Adult | Cape Peninsula | 2 | Exposure Factor Datasets |
Home Range | 115.2-192.1 | range of home range sizes | square km | Male | Adult | Cape Peninsula | 2 | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Foraging Distance | 7.5-28.0 | range of distances between the most distant locations | km | Both Male and Female | Adult | near the Laguna Madre | 8 birds | Exposure Factor Datasets |
Population Density | one bird/50 sq. km | estimated minimum density | Both Male and Female | Adult | near the Laguna Madre | 20 birds | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 49% | mean percent of successful nests per year | 42-57 | % | Both Male and Female | Adult | Berks and Lehigh counties | 259 nesting attempts | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.4 | mean clutch size (4 sample years) | eggs/clutch | Female | Adult | Lucas and Wayne Counties (40deg57'N, 93deg18'W) | 7-23 nests/year | Exposure Factor Datasets |
Fledging or Weaning Rate | 89% | mean percent of young hatched that fledged (4 sample years) | % | Not Reported | Juvenile | Lucas and Wayne Counties (40deg57'N, 93deg18'W) | 148 hatchlings | Exposure Factor Datasets |
Hatching Success | 68% | mean percent of eggs hatched of total eggs laid (4 sample years) | % | Not Reported | Juvenile | Lucas and Wayne Counties (40deg57'N, 93deg18'W) | 217 eggs | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.1 | mean brood size (13 sample years) | young/nest | Not Reported | Juvenile | Portage County (44deg27'N, 89deg40'W) | 37 successful nests | Exposure Factor Datasets |
Fledging or Weaning Rate | 88% | percent of nests that fledged at least one young | % | Not Reported | Juvenile | Portage County (44deg27'N, 89deg40'W) | 42 nests | Exposure Factor Datasets |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Tox Exposure | Toxicity Endpoint Type | Tox Exposure Duration | Tox Exposure Technique | Type |
---|---|---|---|---|---|---|---|---|---|---|
PARATHION | 25% at 4.6 ppm | Not Reported | Adult | 4/group | <0.05, 0.08, 4.6 ppm | TOX-MORT - dose-response data | up to 24 hr | diet | Toxicity Factor Datasets | |
PARATHION | 47% decrease at 4.6 ppm | mean brain cholinesterase activity relative to control | Not Reported | Adult | 4/group | <0.05, 0.08, 4.6 ppm | TOX-Non-Repro-Sublethal - cellular/biochemical effects | up to 24 hr | diet | Toxicity Factor Datasets |