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| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 83.2 | maximum oxygen consumption during activity measured at 15C on animals acclimated at 22C | 4.9 SE | ul O2/g/hr | Not Reported | Adult | 5-8 | Exposure Factor Datasets |
| Metabolic Rate | 194.8 | maximum oxygen consumption during activity measured at 25C on animals acclimated at 12C | 10.3 SE | ul O2/g/hr | Not Reported | Adult | 5-8 | Exposure Factor Datasets |
| Metabolic Rate | 117.9 | maximum oxygen consumption during activity measured at 25C on animals acclimated at 22C | 6.6 SE | ul O2/g/hr | Not Reported | Adult | 5-8 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | range of mean densities measured each yr for 4 yrs | 0.51 - 0.84 | #/10 m2 | Not Reported | Adult | 750m stretch of Cold Creek, Santa Monica Mountains | 4 yearly surveys | Exposure Factor Datasets |
| Population Density | range of mean densities of egg masses measured each yr for 4 yrs | 0.6 - 1.4 | #/ 10 m2 | Not Reported | Embryo | 750m stretch of Cold Creek, Santa Monica Mountains | 4 yearly surveys | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | time from egg to hatching | 4 - 6 | wks | Not Reported | Embryo | Santa Monica Mountains | Not Reported | Exposure Factor Datasets | |
| Population Density | 2.6 | #/10 m2 | Not Reported | Adult | Santa Monica Mountains | Not Reported | Exposure Factor Datasets | ||
| Population Density | range of larval densities in pools with or without adults during June-July | 6.3 - 23.7 | #/m2 | Not Reported | Juvenile | Santa Monica Mountains | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 9.7 | g | Male | Adult | Trabuco, Holy Jim and Harding Canyons | Not Reported | Exposure Factor Datasets | ||
| Metabolic Rate | 0.025 | aerial respiration (oxygen consumption) at 15C | 0.008 (2SE) | cm3 O2/g/hr | Male | Adult | 12 | Exposure Factor Datasets | |
| Metabolic Rate | 0.054 | aerial respiration (oxygen consumption) at 15C | 0.004 (2SE) | cm3 O2/g/hr | Male | Adult | 12 | Exposure Factor Datasets | |
| Metabolic Rate | 0.019 | aquatic respiration (oxygen consumption) at 15C | 0.008 (2SE) | cm3 O2/g/hr | Male | Adult | 7 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.016 (10C), 0.054 (15C), 0.061 (20C), 0.119 (25C) | resting oxygen consumption measured at various temperatures (10-25C) | cm3 O2/g/hr | Male | Adult | Not Reported | Exposure Factor Datasets |
| Metabolic Rate | 0.067 (10C), 0.132 (15C), 0.203 (20C), 0.287 (25C) | active oxygen consumption measured at various temperatures (10-25C) | cm3 O2/g/hr | Male | Adult | Not Reported | Exposure Factor Datasets |
| Metabolic Rate | 0.009 (10C), 0.026 (15C), 0.027 (20C), 0.043 (25C) | resting oxygen consumption measured at various temperatures (10-25C) | cm3 O2/g/hr | Male | Adult | Not Reported | Exposure Factor Datasets |
| Metabolic Rate | 0.066 (10C), 0.093 (15C), 0.120 (20C), 0.161 (25C) | active oxygen consumption measured at various temperatures (10-25C) | cm3 O2/g/hr | Male | Adult | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 9 - 16 | g | Not Reported | Adult | Berkeley | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Longevity | 17-08 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 4174 band recoveries | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Time of Nesting | April-June | period during which nest initiations were observed | Both Male and Female | Adult | San Francisco Bay estuary | 296-424 nests/year | Exposure Factor Datasets |
| Fledging or Weaning Rate | 0.98 +/- 0.07 to 1.78 +/- 0.06 | mean number of chicks fledged/nest (over 3 years) | Both Male and Female | Fledgling | San Francisco Bay estuary | 296-424 nests/year | Exposure Factor Datasets |
| Clutch or Litter Size | 3.1+/- 0.1 to 3.2+/- 0.1 | mean number of eggs/nest (over 3 years) | Female | Adult | San Francisco Bay estuary | 263-312 nests/year | Exposure Factor Datasets |
| Hatching Success | 76% | proportion of nests in which at least one egg hatched | Both Male and Female | Hatchling | San Francisco Bay estuary | 1056 nests | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range in mean clutches in ground nests (across 4 years) | 2.82-3.62 | Female | Adult | Lake Ontario (43 deg 53'N, 76 deg 24'W) | 34-127 nests/colony | Exposure Factor Datasets | |
| Fledging or Weaning Rate | 2.14 | mean number of young produced/active nest (across 10 yrs) | Both Male and Female | Fledgling | Lake Ontario (43 deg 53'N, 76 deg 24'W) | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | herring (25%), sculpin (92%), flounder (8%), anemones (8%), snails (17%), mussels (33%), amphipods (25%), isopods (17%), benthic shrimp (25%), crabs (25%), bryozoans (58%), algae (50%) | frequency of occurrence of food items in stomach contents | Not Reported | Both Adults and Juveniles | Quoddy Region, New Brunswick | 12 stomachs | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Longevity | 23-05 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 522,261 band recoveries | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Longevity | 12-03 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 321 band recoveries | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Longevity | 11-07 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 1832 band recoveries | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Longevity | 7-06 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 758 band recoveries | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Longevity | 10-11 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 86 band recoveries | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Longevity | 7-00 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 35 band recoveries | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 2 | mo | Not Reported | Adult | Portal | Not Reported | Exposure Factor Datasets | ||
| Longevity | 2 | yrs | Not Reported | Adult | Portal | Not Reported | Exposure Factor Datasets | ||
| Home Range | 46.5 | median lifetime distance moved from home range center (from first to last capture) | 0 - 265 | m | Male | Adult | Portal | 36 | Exposure Factor Datasets |
| Home Range | 25.0 | median lifetime distance moved from home range center (from first to last capture) | 0 - 158 | m | Female | Adult | Portal | 25 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 33.9 | 2.2 SD | 28.7 - 37.9 | g | Not Reported | Not Reported | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | 4-9 per mo/15 mo | Exposure Factor Datasets | |
| Water Ingestion Rate | 3.14 | water influx rate estimated via doubly labeled water | 1.33 SD | 1.95 - 6.99 | ml water/d | Not Reported | Not Reported | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | 4-9 per mo/15 mo | Exposure Factor Datasets |
| Metabolic Rate | 2.00 | field metabolic rate estimated from doubly labeled water | 0.45 SD | 1.56 - 2.67 | L CO2/d | Not Reported | Not Reported | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | 4-9 per mo/15 mo | Exposure Factor Datasets |
| Population Density | 17.5 | 1.6 SD | #/ha | Not Reported | Not Reported | Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] | 5 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 2.5 | 1-5 | pups/litter | Female | Adult | captured near Palm Springs, CA | 51 | Exposure Factor Datasets |
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