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| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Hatching Success | 1.73 | average number of chicks per successful brood | 0.78 SD | 1-3 | chicks/brood | Not Reported | Hatchling | Baja California peninsula | 119 broods | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | number of breeding birds per km of sandy beach surveyed | 0.24-2.51 | birds/km | Not Reported | Not Reported | mainland coast | 54.5-200.2 km per survey region | Exposure Factor Datasets |
| Population Density | number of wintering birds per km of sandy beach surveyed | 0.45-7.73 | birds/km | Not Reported | Not Reported | mainland coast | 54.5-200.2 km per survey region | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | range (over 4 years) in maximum number of nests active on one day per total area of potential nesting habitat | 0.054-0.275 | nests/ha | Both Male and Female | Adult | Howard Slough, Great Salt Lake | 4 survey years | Exposure Factor Datasets |
| Population Density | range (over 4 years) in maximum number of nests active on one day per total area of potential nesting habitat | 0.078-0.493 | nests/ha | Both Male and Female | Adult | West Layton Marsh, Great Salt Lake | 4 survey years | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Time of Migration or Dispersal | early March to April 26 | period during which most color-banded birds left the study area | Not Reported | Adult | Pajaro Dunes, Monterey Bay | 19 birds | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|
| Time of Migration or Dispersal | early to late March | timing of first influx of spring migrants to interior breeding areas | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 0.687 | estimated average annual adult survival probability (using Jolly-Seber model) | Both Male and Female | Adult | Great Salt Lake | 361 birds captured over 3 yrs | Exposure Factor Datasets | |
| Longevity | 2.7 | mean life expectancy for an adult plover, based on survival estimate | yr | Both Male and Female | Adult | Great Salt Lake | 361 birds captured over 3 yrs | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Water Ingestion Rate | 20 | daily distilled water consumption as percent of body weight | % | Not Reported | Adult | Not Reported | Exposure Factor Datasets | |
| Body Weight - Mean | range in average body weights of treatment groups | 33.2-34.0 | g | Not Reported | Adult | 3-4 birds/group | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | range of fledging rates, 2 years | 7/16 to 63/58 | fledglings/nests | Not Reported | Fledgling | Cuixmala Beach [19 deg, 22'14"N, 104 deg 59'31"W] | 16-58 nests/year | Exposure Factor Datasets |
| Hatching Success | range of egg hatching rates, 2 years | 34.4-48.9 | % | Not Reported | Hatchling | Cuixmala Beach [19 deg, 22'14"N, 104 deg 59'31"W] | 16-58 nests/year | 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 | late Apr | time of arrival at breeding grounds | Both Male and Female | Adult | Sunset Aquatic Park, Huntington Beach; Santa Margarita Lagoon | 2 colonies | Exposure Factor Datasets | |||
| Clutches or Litters per year | 1 | normal number of broods per year | Both Male and Female | Adult | Sunset Aquatic Park, Huntington Beach; Santa Margarita Lagoon | Not Reported | Exposure Factor Datasets | |||
| Time of Mating/ Laying | May-Jul | period of egg laying, 2 years | Female | Adult | Sunset Aquatic Park, Huntington Beach | 2 colonies | Exposure Factor Datasets | |||
| Clutch or Litter Size | 2 | most frequent clutch size, 2 years | 1-3 | Female | Adult | Sunset Aquatic Park, Huntington Beach | 96 nests | Exposure Factor Datasets | ||
| Duration of Incubation or Gestation | 22 | most frequent incubation period, 2 years | 20-25 | d | Not Reported | Embryo | Sunset Aquatic Park, Huntington Beach | 41 clutches | Exposure Factor Datasets | |
| Hatching Success | range of hatching success, 2 years | 80-90 | % | Not Reported | Hatchling | Sunset Aquatic Park, Huntington Beach | 53-157 eggs/year | Exposure Factor Datasets | ||
| Body Weight - Mean | 5.93 | mean body weight of day 0 chicks | 0.09 2SE | g | Not Reported | Hatchling | Sunset Aquatic Park, Huntington Beach | 77 birds | Exposure Factor Datasets | |
| Body Weight - Mean | 39.62 | asymptotic body weight of juveniles at 15 days of age | 0.73 2SE | g | Not Reported | Fledgling | Sunset Aquatic Park, Huntington Beach | 8 birds | Exposure Factor Datasets | |
| Time of Migration or Dispersal | first two wks Apr | timing of dispersal from breeding areas | Both Male and Female | Both Adults and Juveniles | Sunset Aquatic Park, Huntington Beach | 1 colony | Exposure Factor Datasets | |||
| Age at Fledging, Metamorphosis, Weaning | 20 | approximate age of fledging (first flight) | d | Not Reported | Fledgling | Sunset Aquatic Park, Huntington Beach | 2 birds | Exposure Factor Datasets | ||
| Survival/ Mortality | proportion of hatched birds that survived during post-fledging period, 2 years | 11-33 | % | Not Reported | Hatchling | Sunset Aquatic Park, Huntington Beach | 42-140 hatched birds/year | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | May-early Jul (first wave), late May-Aug (second wave) | nesting periods of early (first wave) and late (second wave) birds | Both Male and Female | Adult | NASA Island, Seal Beach National Wildlife Refuge | 8-10 pairs (first wave), 29 pairs (second wave) | Exposure Factor Datasets | |
| Fledging or Weaning Rate | 0.50 (first wave), 0.58 (second wave) | mean number of fledglings produced per nesting pair | fledglings/pair | Not Reported | Fledgling | NASA Island, Seal Beach National Wildlife Refuge | 10 nests (first wave), 33 nests (second wave) | Exposure Factor Datasets |
| Hatching Success | 100% (first wave), 82% (second wave) | proportions of eggs hatched of eggs laid | Not Reported | Hatchling | NASA Island, Seal Beach National Wildlife Refuge | 54 eggs (second wave) | Exposure Factor Datasets | |
| Clutch or Litter Size | 2.33 (first wave), 1.70 (second wave) | average clutch sizes for early and late nesters | eggs/clutch | Female | Adult | NASA Island, Seal Beach National Wildlife Refuge | 10 nests (first wave), 33 nests (second wave) | Exposure Factor Datasets |
| Age at Sexual Maturity | 2 | age of birds nesting for the first time | yr | Both Male and Female | Adult | NASA Island, Seal Beach National Wildlife Refuge | 10 pairs | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 0.69 | statewide average annual fledging rate, 13 years | 0.45-0.94 | fledglings/pair | Not Reported | Fledgling | 832-1708 nesting pairs/year | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Territory Size | 40 | radius of nesting territory | cm | Both Male and Female | Adult | Huntington Beach State Park | Not Reported | Exposure Factor Datasets | |
| Clutch or Litter Size | 2-3 | eggs/clutch | Female | Adult | Huntington Beach State Park | 12 clutches | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of clutch sizes | 4-14 | eggs/clutch | Female | Adult | 191 clutches | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 75 | average basal metabolism (heat production) | 75-76 | cal/kg/d | Not Reported | Adult | 1 bird (3 measurements) | Exposure Factor Datasets |
Rallus longirostris ssp. levipes, Rallus longirostris ssp. obsoletus, Rallus longirostris ssp. yumanensis
| Exposure Endpoint Type | Endpoint Value | Type |
|---|---|---|
| Clutch or Litter Size | review | Exposure Factor Datasets |
| Survival/ Mortality | review | Exposure Factor Datasets |
| Dietary Composition | review | Exposure Factor Datasets |
| Territory Size | review | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 2400 | annual number of individuals censused | birds/lake | Both Male and Female | Not Reported | Eagle Lake, 42 km NW of Susanville | 1 lake | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Surface Area | 241 | measured area of skin beneath feathers of 649.1 g bird, excluding beak and non-feathered portions of legs | cm^2 | Not Reported | Adult | 1 | Exposure Factor Datasets |
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