| Exposure Endpoint Type | Endpoint Description | Endpoint Value | Sample Size | Units | Life Cycle Stage | Specific Location | Range | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | range in density of pairs, 4 years | 5-13 pairs/year | pairs/km | Adult | San Clemente Island | 1/4.3 to 1/11.6 | Exposure Factor Datasets | |
| Fledging or Weaning Rate | mean number of fledglings produced per successful nest | 2.33 | 29 nests | fledglings/nest | Fledgling | San Clemente Island | Exposure Factor Datasets | |
| Survival/ Mortality | percent of fledglings that died before reaching independence from parents | 45 | 29 nests | % | Fledgling | San Clemente Island | Exposure Factor Datasets | |
| Territory Size | mean pair foraging area during breeding season, 4 years | 34 | 12 territories | ha | Adult | San Clemente Island | Exposure Factor Datasets | |
| Longevity | adult life expectancy based on duration of home range occupancy | 3 | Not Reported | yr | Adult | San Clemente Island | Exposure Factor Datasets |
