| Exposure Endpoint Type | Endpoint Description | Endpoint Value | Sample Size | Units | Life Cycle Stage | Specific Location | Range | Type |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | annual mortality over two years estimated from carcass searches on beaches | 1 population (1076 otters) | % | Both Adults and Juveniles | Amchitka Island | 8-11 | Exposure Factor Datasets | |
| Body Weight - Mean | 1.75 | 4 | kg | Juvenile | Amchitka Island | 1.2-2.5 | Exposure Factor Datasets | |
| Body Weight - Mean | 1.96 | 6 | kg | Juvenile | Amchitka Island | 1.02-2.83 | Exposure Factor Datasets | |
| Body Weight - Mean | 28.3 | 79 | kg | Adult | Amchitka Island | 21.8-38.6 | Exposure Factor Datasets | |
| Body Weight - Mean | 21.1 | 254 | kg | Adult | Amchitka Island | 14.5-31.7 | Exposure Factor Datasets | |
| Food Ingestion Rate | 4.04 | 1 | kg/d | Adult | 0.9-7.2 | Exposure Factor Datasets | ||
| Dietary Composition | mean percent of total stomach content volume contributed by dietary items | vertebrates (fish; 50%), mollusks (37%), echinoderms (11%), annelid worms (1%), tunicates (<1%), crabs/shrimp (<1%) | 309 stomachs | Not Reported | Amchitka Island | Exposure Factor Datasets | ||
| Age at Sexual Maturity | 4 | Not Reported | yr | Juvenile | Amchitka Island | Exposure Factor Datasets | ||
| Duration of Incubation or Gestation | estimated gestation including delayed implantation period | 275 reproductive tracts | mo | Adult | Amchitka Island | 12-13 | Exposure Factor Datasets | |
| Clutches or Litters per year | annual reproductive rate, based on field count, sex ratio, reproductive tract data | Not Reported | % | Adult | Amchitka Island | 14-15 | Exposure Factor Datasets | |
| Clutch or Litter Size | litter size as indicated by reproductive tract examination | 1 | 278 reproductive tracts | pup | Adult | Amchitka Island | Exposure Factor Datasets |
