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| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|
| Body Weight - Mean | see table 1 | Not Reported | Nestling | San Miguel Island | 6-33 nestlings | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.22 | mean clutch size of nests in control plots | 0.94 | eggs/clutch | Female | Adult | southwestern Ontario | 32 nests | Exposure Factor Datasets |
| Hatching Success | 29.4% | proportion of successful nests containing unhatched eggs | % | Both Male and Female | Both Adults and Juveniles | southwestern Ontario | 32 nests | Exposure Factor Datasets | |
| Fledging or Weaning Rate | 3.88 | mean number of young fledged per successful nest | 1.22 | fledglings/nest | Both Male and Female | Fledgling | southwestern Ontario | 32 nests | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Territory Size | 1745 | mean territory size, measured by song playbacks and observations of border disputes | 406 SD | m^2 | Male | Adult | Reifel Island, Delta, British Columbia | 6 birds | Exposure Factor Datasets |
| Territory Size | 3956 | mean territory size, measured by song playbacks and observations of border disputes | 611 SD | m^2 | Male | Adult | Reifel Island, Delta, British Columbia | 6 birds | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| 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 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Population Density | 1.69 (40) | mean density of breeding birds (maximum density in parentheses) | pairs/square mile | Both Male and Female | Adult | 130 sample units (160 acres/unit) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 16.6-32.4 (salt marsh), 10.6-13.1 (altered salt marsh), 16.6-24.7 (brackish marsh), 9.1-17.5 (altered brackish marsh) | breeding population densities | pairs/ha | Both Male and Female | Adult | Suisun Bay; San Francisco Bay; San Pablo Bay | 26 sample areas | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| 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 | Suisun Bay; San Francisco Bay; San Pablo Bay | 11 sample areas | 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 | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 2 | description | Both Male and Female | Adult | location | sample size | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Time of Nesting | first two weeks of May | peak time of nest initiation | Both Male and Female | Adult | near Delta, Manitoba | 46 nests | Exposure Factor Datasets | ||
| Clutch or Litter Size | 5.41 | mean size of clutches laid early (pre-May 1), mid (May 1-10), or late season (post-May 10) | 0.14 SE | eggs/clutch | Female | Adult | near Delta, Manitoba | 41 nests | Exposure Factor Datasets |
| Hatching Success | 19/31 | proportion of successful nests (hatched at least one egg) in which entire clutch hatched | Both Male and Female | Adult | near Delta, Manitoba | 41 nests | Exposure Factor Datasets | ||
| Fledging or Weaning Rate | 2.32 | number of young fledged per female | 0.06 SE | young/female | Female | Adult | near Delta, Manitoba | 38 females | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 6 | density of birds nesting and feeding in study area | birds per 50 acres | Both Male and Female | Adult | near Iowa Lakeside Laboratory | 6 | Exposure Factor Datasets | |
| Home Range | estimated breeding territory size defended by males | 10-32 | acres | Both Male and Female | Adult | near Iowa Lakeside Laboratory | 4 territories | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Population Density | 28.43 (96) | mean density of breeding birds (maximum density in parentheses) | pairs/square mile | Both Male and Female | Adult | 130 sample units (160 acres/unit) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Territory Size | 0.5 | territory size of unpaired male | ha | Male | Adult | Colorado River | 1 | Exposure Factor Datasets |
| Fledging or Weaning Rate | 18% | percent of nests that fledged at least one young | % | Both Male and Female | Both Adults and Juveniles | Colorado River | 17 nest attempts (in 5 sample years) | Exposure Factor Datasets |
| Clutch or Litter Size | 3 | mean clutch size | eggs/nest | Female | Adult | Colorado River | 3 nests | Exposure Factor Datasets |
| Time of Mating/ Laying | May 30 (onset) | date when first eggs found | Female | Adult | Colorado River | 17 nest attempts (in 5 sample years) | Exposure Factor Datasets | |
| Time of Fledging or Metamorphosis | June 29 (earliest fledging) - July 13 (latest fledging) | dates of earlies and latest recording fledging | Both Male and Female | Fledgling | Colorado River | 17 nest attempts (in 5 sample years) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|
| Time of Fledging or Metamorphosis | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Time of Hatching or Parturition | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Time of Mating/ Laying | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Time of Migration or Dispersal | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Time of Nesting | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Home Range | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Territory Size | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Clutch or Litter Size | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Duration of Incubation or Gestation | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Clutches or Litters per year | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Type |
|---|---|---|
| Time of Migration or Dispersal | review | Exposure Factor Datasets |
| Dietary Composition | review | Exposure Factor Datasets |
| Metabolic Rate | review | Exposure Factor Datasets |
| Territory Size | review | Exposure Factor Datasets |
| Time of Nesting | review | Exposure Factor Datasets |
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