| Exposure Endpoint Type | Endpoint Description | Endpoint Value | Sample Size | Units | Life Cycle Stage | Specific Location | Range | Type |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | time of laying | June - July | Not Reported | Adult | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | ||
| Dietary Composition | % frequency of prey based on stomach contents and scats | Townsend ground squirrel (10.6%); Mountain conttontail (11.6%); Deer mouse (43.3%); Ord kangaroo rat (5.8%); Great Basin pocket mouse (5.8%); Montane vole (9.6%); House mouse (6.7%); Other species (6.7%) | 104 prey items/455 snakes | % | Not Reported | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | |
| Duration of Incubation or Gestation | 125 | Not Reported | d | Adult | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | ||
| Dietary Composition | % biomass of prey based on stomach contents and scat analysis | Townsend ground squirrel (30.3%); Mountain conttontail (34.4%); Deer mouse (15.8%); Ord kangaroo rat (5.9%); Great Basin pocket mouse (1.7%); Montane vole (5.6%); House mouse (2.2%); Other species (4.1%) | 104 prey items/455 snakes | % | Not Reported | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | |
| Age at Sexual Maturity | 3 | Not Reported | yr | Adult | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | ||
| Time of Torpor or Hibernation | Oct. - Apr. | 455 | Not Reported | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | |||
| Body Weight - Mean | 11.5 | 9 | g | Neonate | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | ||
| Body Weight - Mean | 45.0 | 44 | g | Juvenile | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | ||
| Body Weight - Mean | 59.8 | 59 | g | Juvenile | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | ||
| Body Weight - Mean | 238.4 | 231 | g | Adult | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | ||
| Body Weight - Mean | 267.9 | 90 | g | Adult | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets | ||
| Clutch or Litter Size | 6.9 | 20 | eggs/clutch | Adult | Snake River Birds of Prey Area, southwestern ID | 3 - 11 | Exposure Factor Datasets | |
| Time of Hatching or Parturition | Oct. | Not Reported | Hatchling | Snake River Birds of Prey Area, southwestern ID | Exposure Factor Datasets |
