| Exposure Endpoint Type | Endpoint Description | Endpoint Value | Sample Size | Life Cycle Stage | Specific Location | Type |
|---|---|---|---|---|---|---|
| Time of Nesting | period during which nest initiations were observed | April-June | 296-424 nests/year | Adult | San Francisco Bay estuary | Exposure Factor Datasets |
| Fledging or Weaning Rate | mean number of chicks fledged/nest (over 3 years) | 0.98 +/- 0.07 to 1.78 +/- 0.06 | 296-424 nests/year | Fledgling | San Francisco Bay estuary | Exposure Factor Datasets |
| Clutch or Litter Size | mean number of eggs/nest (over 3 years) | 3.1+/- 0.1 to 3.2+/- 0.1 | 263-312 nests/year | Adult | San Francisco Bay estuary | Exposure Factor Datasets |
| Hatching Success | proportion of nests in which at least one egg hatched | 76% | 1056 nests | Hatchling | San Francisco Bay estuary | Exposure Factor Datasets |
