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| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Foraging Distance | 177 | median foraging distance from nest | 25%-75% quartiles=64-466 | up to 3770 | m | Female | Adult | Great Salt Lake, Davis County | 192 observations | Exposure Factor Datasets |
| Foraging Distance | 272 | median foraging distance from nest | 25%-75% quartiles=110-580 | up to 2030 | m | Male | Adult | Great Salt Lake, Davis County | 266 observations | Exposure Factor Datasets |
| Clutch or Litter Size | 3 | modal clutch size | 2-5 | eggs/clutch | Female | Adult | Great Salt Lake, Davis County | 327 clutches | Exposure Factor Datasets | |
| Fledging or Weaning Rate | 1.87 | average number of chicks fledged per successful brood | chicks/brood | Female | Adult | Great Salt Lake, Davis County | 3 yrs data collection | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.55 | mean clutch size | 0.69 SD | 1-3 | eggs/clutch | Female | Adult | Baja California peninsula | 36 nests | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | April, May | months of peak nest initiation activity, 2 years | Both Male and Female | Adult | coast | 2-15 nests/colony/year | Exposure Factor Datasets | |
| Hatching Success | 13 | proportion of nests with at least one egg hatching | % | Not Reported | Hatchling | coast | 72 nests | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 43.1 | mean body weight | 2.8 SD | g | Male | Adult | Fuente de Piedra lake, s. Spain | 154 | Exposure Factor Datasets | |
| Body Weight - Mean | 42.2 | mean body weight | 3.0 SD | g | Female | Adult | Fuente de Piedra lake, s. Spain | 158 | Exposure Factor Datasets | |
| Time of Mating/ Laying | March 29-June 25 (1991), March 11-June 29 (1992) | length of egg laying season in two sample years | Female | Adult | Fuente de Piedra lake, s. Spain | Not Reported | Exposure Factor Datasets | |||
| Clutch or Litter Size | 2.63 | clutch size | 1-3 | eggs/clutch | Female | Adult | Fuente de Piedra lake, s. Spain | 316 nests | Exposure Factor Datasets | |
| Fledging or Weaning Rate | 19.3% | Percent of nests in which at least one chick hatched. | % | Both Male and Female | Both Adults and Juveniles | Fuente de Piedra lake, s. Spain | 316 nests | Exposure Factor Datasets | ||
| Hatching Success | 27.6% (1991), 16.1% (1992) | percent of all eggs that hatched | % | Both Male and Female | Both Adults and Juveniles, Embryo | Fuente de Piedra lake, s. Spain | 254 (1991), 554 (1992) eggs | Exposure Factor Datasets | ||
| Body Weight - Mean | 6.33 | mean body weight at hatching | 0.56 SD | 5.3-7.6 | g | Both Male and Female | Hatchling | Fuente de Piedra lake, s. Spain | 47 | Exposure Factor Datasets |
| Clutch or Litter Size | 2.69 (1991), 2.54 (1992) | mean numbers of chicks hatched per successful nest | chicks/nest | Both Male and Female | Hatchling | Fuente de Piedra lake, s. Spain | 26 (1991), 35 (1992) nests | Exposure Factor Datasets | ||
| Growth Rate | 0.105 | growth rate | g/day per g body mass | Both Male and Female | Juvenile | Fuente de Piedra lake, s. Spain | 42 | Exposure Factor Datasets |
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