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| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| 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 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 | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | 28 | average incubation | 26-30 | d | Not Reported | Hatchling | Utah Lake, Utah County | 16 eggs | Exposure Factor Datasets |
| Clutches or Litters per year | 1-2 | clutches/yr | Female | Adult | Utah Lake, Utah County | 11 nests | Exposure Factor Datasets | ||
| Clutch or Litter Size | 3.8 | 2-6 | eggs/nest | Female | Adult | Utah Lake, Utah County | Not Reported | Exposure Factor Datasets | |
| Body Weight - Mean | 36 | g | Not Reported | Hatchling | Utah Lake, Utah County | 16 birds | Exposure Factor Datasets | ||
| Body Weight - Mean | 1543 | g | Not Reported | Juvenile | Utah Lake, Utah County | 13 birds | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Hatching Success | 37 | percent of eggs that hatched | % | Not Reported | Hatchling | Point Reyes | 35 nests | Exposure Factor Datasets |
| Fledging or Weaning Rate | 2.0 | number of young fledged per successful brood | fledglings/brood | Not Reported | Fledgling | Point Reyes | 35 nests | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Time of Nesting | April 18 to July 6 | period between beginning of egg laying and observation of first fledgling for one year | Both Male and Female | Adult | Mono Lake (elev. 1,940 m) | Not Reported | Exposure Factor Datasets | ||
| Duration of Incubation or Gestation | 26.9 | incubation period | 25-32 | d | Both Male and Female | Embryo | Mono Lake (elev. 1,940 m) | 9 nests | Exposure Factor Datasets |
| Time of Mating/ Laying | April 18 to July 15 | period of time from beginning to end of egg laying for one year | Female | Adult | Mono Lake (elev. 1,940 m) | 9 nests | Exposure Factor Datasets | ||
| Hatching Success | range in percent of clutches hatching at least one chick (over 4 years) | 39.5-68.2 | % | Not Reported | Hatchling | Mono Lake (elev. 1,940 m) | Not Reported | Exposure Factor Datasets | |
| Fledging or Weaning Rate | 1.64 | number of chicks fledged per successful brood (for one year) | fledglings/brood | Not Reported | Fledgling | Mono Lake (elev. 1,940 m) | 22 nests | Exposure Factor Datasets | |
| Clutches or Litters per year | 2 | number of clutches laid by 30 out of 81 total nesting females | clutches/yr | Female | Adult | Mono Lake (elev. 1,940 m) | 81 nesting females | Exposure Factor Datasets | |
| Survival/ Mortality | 0.778 | minimum annual survival rates of marked individuals | Male | Adult | Mono Lake (elev. 1,940 m) | 18 birds | Exposure Factor Datasets | ||
| Survival/ Mortality | 0.743 | minimum annual survival rate of marked individuals (2 years and both sexes pooled) | Both Male and Female | Adult | Monterey Bay | 101 birds | Exposure Factor Datasets | ||
| Survival/ Mortality | 0.643 | minimum annual survival rate of marked individuals | Not Reported | Juvenile | Point Reyes | 14 birds | 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 | Mar 9 (females), Mar 24 (males) | mean dates of spring migrant arrival to breeding grounds | Both Male and Female | Adult | Pajaro River Mouth | 44 males, 59 females | Exposure Factor Datasets | |||
| Time of Mating/ Laying | Mar 23 to Jul 13 | period between onset and end of egg laying | Female | Adult | Pajaro River Mouth | 6-84 clutches laid/month | Exposure Factor Datasets | |||
| Territory Size | <0.5 | defended nesting territory size on salt pan habitat | ha | Both Male and Female | Adult | Pajaro River Mouth | Not Reported | Exposure Factor Datasets | ||
| Clutch or Litter Size | 3 | most frequent clutch size | 2-4 | eggs/clutch | Female | Adult | Pajaro River Mouth | 171 nests | Exposure Factor Datasets | |
| Duration of Incubation or Gestation | 27.4 | average incubation period (measured from last egg laid to last egg hatched) | 0.2 SE | 26-32 | d | Both Male and Female | Embryo | Pajaro River Mouth | 57 nests | Exposure Factor Datasets |
| Time of Fledging or Metamorphosis | 30.9 | fledging period, measured from hatch to first flight of at least 3 m | 29-33 | d | Not Reported | Fledgling | Pajaro River Mouth | 22 birds | Exposure Factor Datasets | |
| Fledging or Weaning Rate | 92.7 | percent of 16 day old chicks that fledged | % | Not Reported | Juvenile | Pajaro River Mouth | 124 birds | Exposure Factor Datasets | ||
| Hatching Success | 58.2 | percent of clutches in which at least one egg hatched (over six years) | % | Not Reported | Hatchling | Pajaro River Mouth | 189 nests | Exposure Factor Datasets | ||
| Hatching Success | 55.2 | percent of all eggs that hatched (over 6 years) | % | Not Reported | Hatchling | Pajaro River Mouth | 534 eggs | Exposure Factor Datasets | ||
| Fledging or Weaning Rate | percent of hatched chicks that fledged (over 6 years) | 39-42 | d | Not Reported | Fledgling | Pajaro River Mouth | 296 chicks | Exposure Factor Datasets | ||
| Survival/ Mortality | 78.6 | percent annual survival | % | Male | Adult | Pajaro River Mouth | 56 birds | Exposure Factor Datasets |
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