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| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Territory Size | 8.35 | mean territory size in pasture habitat | 0.66 SD | 5.3-9.6 | ha | Both Male and Female | Adult | Archbold Biological Station near Lake Placid | 6 territories | Exposure Factor Datasets |
| Dietary Composition | Odonata (12.1), Hemiptera (23.0), Coleoptera (22.3), Lepidoptera (7.3), Orthoptera (16.8), Hyla cinerea (7.6), H. squirella (1.7), Gastrophyne carolensis (0.9), Rana spenocephala (0.4), Anolis carolinensis (2.8), Scincella lateralis (4.1), Eumeces inexpectatus (1.0) | percent of total prey items caught by observed pairs | % | Both Male and Female | Adult | Archbold Biological Station near Lake Placid | 6 territories | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Orthoptera (59); Lepidoptera (15); Coleoptera (10); arthropod larvae (8); mammals; reptiles and amphibians (4); unident. arthropods (3) | percent of total identified prey items delivered to the nest | % | Not Reported | Nestling | York County | 1 pair, 155 identified prey | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 90-96 | range of densities over 2 sampling years | individuals/ 12 study blocks | Not Reported | Adult | southeastern Alberta | 2 sample years | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Mollusca (0.00), Crustacea (0.27), Arachnida (0.14), Insecta (14.77), Reptilia (53.29), Mammalia (27.66), Aves (3.86) | percent of total prey found in pellets by biomass | % | Not Reported | Not Reported | San Clemente Island | 1238 pellets | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Population Density | range in density of pairs, 4 years | 1/4.3 to 1/11.6 | pairs/km | Both Male and Female | Adult | San Clemente Island | 5-13 pairs/year | Exposure Factor Datasets | ||
| Fledging or Weaning Rate | 2.33 | mean number of fledglings produced per successful nest | 0.34 SD | fledglings/nest | Not Reported | Fledgling | San Clemente Island | 29 nests | Exposure Factor Datasets | |
| Survival/ Mortality | 45 | percent of fledglings that died before reaching independence from parents | % | Not Reported | Fledgling | San Clemente Island | 29 nests | Exposure Factor Datasets | ||
| Territory Size | 34 | mean pair foraging area during breeding season, 4 years | 12 SD | ha | Both Male and Female | Adult | San Clemente Island | 12 territories | Exposure Factor Datasets | |
| Longevity | 3 | adult life expectancy based on duration of home range occupancy | yr | Female | Adult | San Clemente Island | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|
| Dietary Composition | Hemiptera (34.43%), Orthoptera (18.52%), Lepidoptera (20.63%), Coleoptera (15.26%), Hymenoptera (6.44%), other insects and spiders (2.71%), vegetable food (0.7%) | percent occurrence of food items in stomachs | Not Reported | Not Reported | 52 stomachs | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 8-10 | 8.2-10.5 | pairs/acre | Both Male and Female | Adult | San Pablo Marsh; San Francisco Bay | Not Reported | Exposure Factor Datasets | |
| Clutch or Litter Size | 3.14 | 2.91-3.42 | eggs/nest | Both Male and Female | Adult | San Pablo Marsh; San Francisco Bay | Not Reported | Exposure Factor Datasets | |
| Population Density | 87-124 | pairs/100 acres | Both Male and Female | Adult | San Pablo Marsh; San Francisco Bay | Not Reported | Exposure Factor Datasets | ||
| Clutch or Litter Size | 8.2 | 7.5-9.1 | eggs/pair/year | Both Male and Female | Adult | San Pablo Marsh; San Francisco Bay | Not Reported | Exposure Factor Datasets | |
| Longevity | up to 7 | years | Both Male and Female | Adult | San Pablo Marsh; San Francisco Bay | 6 animals (from 1000) | Exposure Factor Datasets | ||
| Survival/ Mortality | 80-85 | 1 year or younger | % | Both Male and Female | Adult | San Pablo Marsh; San Francisco Bay | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | oological collections | 3.05-4.17 | eggs/nest | Both Male and Female | Adult | from Baja California to Alaska | 545 records | Exposure Factor Datasets | |
| Time of Mating/ Laying | early Feb.-July | Both Male and Female | Adult | California to Washington | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Hatching Success | 45.9-82.3 | % | Both Male and Female | Adult | Mandarte Island | 4733 eggs | Exposure Factor Datasets | ||
| Time of Mating/ Laying | 24 Feb-19 April | Both Male and Female | Adult | Mandarte island | Not Reported | Exposure Factor Datasets | |||
| Body Weight - Mean | 3.12 | median egg weight | g | Both Male and Female | Adult | Mandarte island | 387 eggs | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Territory Size | 9.1 | territory width across sloughs | m | Both Male and Female | Adult | Suisun Bay; San Francisco Bay; San Pablo Bay | 64 sample areas | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | 2 | clutches/year | Both Male and Female | Adult | Rockefeller University field research center | about 5 each | Exposure Factor Datasets | |
| Time of Molt | 9 August-10 November | includes prebasic molt | Both Male and Female | Not Reported | Rockefeller University field research center | about 10 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 0.44 | proportion of nests that fledged at least one young | Both Male and Female | Adult | airports in east-central IL | 4 nests | Exposure Factor Datasets | |
| Population Density | 0.02 | nest density | nests/ha | Both Male and Female | Adult | airports in east-central IL | 4 nests | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3.28 | eggs/nest | Both Male and Female | Adult | 90 records | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|
| Water Ingestion Rate | review | Not Reported | Not Reported | Suisun Bay | Not Reported | Exposure Factor Datasets |
| Home Range | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | |
| Time of Mating/ Laying | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 20.5-41.0 (salt marsh), 9.9-20.5 (alterned salt marsh), 5.9-11 (fringe vegetation) | breeding population densities | pairs/ha | Both Male and Female | Adult | Suisun Bay; San Francisco Bay; San Pablo Bay | 27 sample areas | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Time of Migration or Dispersal | mid-May (onset), June 8 (date of last capture) | spring passage | Not Reported | Adult | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | 42 captures | Exposure Factor Datasets | |||
| Time of Migration or Dispersal | mid-August (onset), September 16 (date of last capture) | fall migration | Not Reported | Adult | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | 42 captures | Exposure Factor Datasets | |||
| Body Weight - Mean | 12.7 | mean body weight of all birds (subspecies not separated) | 1.2 SD | 10.3-15.9 | g | Not Reported | Adult | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | 84 | Exposure Factor Datasets |
| Body Fat (total or %) | 1 (8%) to 2.4 (20%) | total fat mass in birds with 8% or 20% fat-free body mass | g | Not Reported | Adult | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | 8-42 captures per habitat type | Exposure Factor Datasets | ||
| Body Weight - Mean | 13.31 | mean body weight of adastus subspecies | 1.19 SD | g | Not Reported | Adult | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | 9 captures | Exposure Factor Datasets | |
| Body Weight - Mean | 12.59 | mean body weight of brewsteri subspecies | 1.13 SD | g | Not Reported | Adult | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | 33 captures | Exposure Factor Datasets | |
| Body Weight - Mean | 13.07 | mean body weight of traillii subspecies | 0.84 SD | g | Not Reported | Adult | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | 7 captures | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 12.73 | mean body weight of extimus subspecies | 1.16 SD | g | Not Reported | Adult | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | 34 captures | Exposure Factor Datasets |
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