Aquatic birds
Western Snowy Plover (Charadrius nivosus ssp. nivosus formerly Charadrius alexandrinus ssp. nivosus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 1.9 (fall), 3.4 (winter), 1.1 (spring) | mean population density | birds/ha | Not Reported | Not Reported | 5 seasons censused | Bolinas Lagoon, Point Reyes National Seashore | Exposure Factor Datasets | Marin |
Population Density | 6.2 (fall), 19.2 (winter), 6.6 (spring) | mean population density | birds/ha | Not Reported | Not Reported | 10 seasons censused | Limantour Estero | Exposure Factor Datasets | Marin |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range (over 4 years) in maximum number of nests active on one day per total area of potential nesting habitat | nests/ha | Both Male and Female | Adult | 4 survey years | Howard Slough, Great Salt Lake | Exposure Factor Datasets |
Population Density | range (over 4 years) in maximum number of nests active on one day per total area of potential nesting habitat | nests/ha | Both Male and Female | Adult | 4 survey years | West Layton Marsh, Great Salt Lake | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.778 | minimum annual survival rates of marked individuals | Male | Adult | 18 birds | Mono Lake (elev. 1,940 m) | Exposure Factor Datasets | Mono |
Survival/ Mortality | 0.743 | minimum annual survival rate of marked individuals (2 years and both sexes pooled) | Both Male and Female | Adult | 101 birds | Monterey Bay | Exposure Factor Datasets | Monterey |
Survival/ Mortality | 0.643 | minimum annual survival rate of marked individuals | Not Reported | Juvenile | 14 birds | Point Reyes | Exposure Factor Datasets | Marin |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | late Mar to mid Jun | period of migrant arrival to breeding grounds | Female | Adult | 3 yrs data collection | Great Salt Lake, Davis County | Exposure Factor Datasets |
Time of Migration or Dispersal | late Mar to May 31; Jul 1-15 | peaks of migrant arrival to breeding grounds | Male | Adult | 3 yrs data collection | Great Salt Lake, Davis County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | early March to April 26 | period during which most color-banded birds left the study area | Not Reported | Adult | 19 birds | Pajaro Dunes, Monterey Bay | Exposure Factor Datasets | Monterey |
California Least Tern (Sterna antillarum ssp. browni)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | May-Jul | period of egg laying, 2 years | Female | Adult | 2 colonies | Sunset Aquatic Park, Huntington Beach | Exposure Factor Datasets | Orange | |
Clutch or Litter Size | 2 | most frequent clutch size, 2 years | Female | Adult | 96 nests | Sunset Aquatic Park, Huntington Beach | Exposure Factor Datasets | Orange | |
Duration of Incubation or Gestation | 22 | most frequent incubation period, 2 years | d | Not Reported | Embryo | 41 clutches | Sunset Aquatic Park, Huntington Beach | Exposure Factor Datasets | Orange |
Hatching Success | range of hatching success, 2 years | % | Not Reported | Hatchling | 53-157 eggs/year | Sunset Aquatic Park, Huntington Beach | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | eggs/clutch | Female | Adult | 12 clutches | Huntington Beach State Park | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.16 | rate at which chicks survived to breed at least once | Not Reported | Chick | 84-285 chicks/year | Venice (beach) | Exposure Factor Datasets | Los Angeles | ||
Longevity | 9.63 | expected number of breeding years per adult bird | yr | Not Reported | Adult | 372 birds | Venice (beach) | Exposure Factor Datasets | Los Angeles | 6.55-14.48 95% CI |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Foraging Distance | foraging distance from nesting sites | mi | Not Reported | Adult | 10-11 surveys/site | Venice Beach, Huntington Beach, Santa Margarita River | Exposure Factor Datasets | Los Angeles, Orange | |
Time of Migration or Dispersal | late Jul | timing of post-fledging dispersal | Not Reported | Both Adults and Juveniles | Not Reported | Santa Margarita River | Exposure Factor Datasets | Orange |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | late Aug-Sep | timing of departure from breeding areas | Not Reported | Both Adults and Juveniles | 4 nesting areas, 2 years | Santa Margarita River at Camp Pendleton | Exposure Factor Datasets | Orange |
Western Grebe (Aechmophorus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 22.4 | estimated mass of fish consumed daily, based on stomach contents | g | Not Reported | Adult | 1 bird | Clear Lake | Exposure Factor Datasets | Lake |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Growth Rate | -0.1321 | growth rate coefficient estimate based on Richard's growth model | Both Male and Female | Juvenile | 4 birds | Bear River Migratory Bird Refuge (collection site) | Exposure Factor Datasets | Laboratory | |
Body Weight - Mean | estimated initial weights | g | Both Male and Female | Juvenile | 4 birds | Bear River Migratory Bird Refuge (collection site) | Exposure Factor Datasets | Laboratory | |
Body Weight - Mean | estimates of asymptotic weights | g | Both Male and Female | Juvenile | 4 birds | Bear River Migratory Bird Refuge (collection site) | Exposure Factor Datasets | Laboratory |
Brown Pelican (Pelecanus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Growth Rate | see figure | daily growth rates of wild nestlings | Not Reported | Nestling | varied | Tarpon Key | Exposure Factor Datasets | |
Food Ingestion Rate | percent of body weight consumed daily during maintenance of adult weight | Not Reported | Both Adults and Juveniles | 4 birds | Tarpon Key | Exposure Factor Datasets | ||
Body Weight - Mean | body weight of captive adult | g | Not Reported | Adult | 1 bird | Tarpon Key | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.2 | mean clutch size among successful nests | eggs | Female | Adult | 32 nests | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 0.2 SE |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 74 | measured at night over temperature range -10 to 45 C | cm^3 O2/g BW/hr | Not Reported | Both Adults and Juveniles | 5 cormorants | Exposure Factor Datasets | Laboratory | |
Metabolic Rate | minimal metabolic rate measured over a range of incident radiation (0-700 watts/m^2) | cm^3 O2/g BW/hr | Not Reported | Both Adults and Juveniles | 5 cormorants | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
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 | 12 stomachs | Quoddy Region, New Brunswick | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Growth Rate | 0.208 | K; index of rate at which asymptotic weight is being gained | Not Reported | Nestling | 1-52/sample day | Duck Island, Isle of Shoals | Exposure Factor Datasets | |
Body Weight - Mean | 1900 | asymptotic weight of nestlings | g | Not Reported | Nestling | Not Reported | Duck Island, Isle of Shoals | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 0.120 | rate of growth from hatch to fledge | Not Reported | Juvenile | 33 chicks | Iles de la Madeleine Archipelago, Gulf of St. Lawrence | Exposure Factor Datasets | CANADA | 0.017 SD | |
Body Weight - Mean | 34.7 | g | Not Reported | Hatchling | 33 chicks | Iles de la Madeleine Archipelago, Gulf of St. Lawrence | Exposure Factor Datasets | CANADA | 2.96 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | sculpin, rock gunnel, blueback herring, alewife, wrymouth, sand shrimp, cunner, American eel, rock crab, N. Caridean shrimp, sand shrimp, white perch, yellow perch, rainbow smelt, N. lobster, Atlantic tomcod | primary dietary items from nestling regurgitant samples | Not Reported | Nestling | 673 samples | Penobscot Bay | Exposure Factor Datasets |
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | 102 | g (lipid) | Female | Both Adults and Juveniles | 14 | Mingo Basin | Exposure Factor Datasets | alternate plumate, unpaired | 12 SE |
Body Fat (total or %) | 168 | g (lipid) | Female | Both Adults and Juveniles | 32 | Mingo Basin | Exposure Factor Datasets | initiation prebasic molt | 8 SE |
Body Weight - Mean | 1,137 | g | Female | Both Adults and Juveniles | 12 | Mingo Basin | Exposure Factor Datasets | alternate plumage - early migrants, unpaired | 30 SE |
Body Fat (total or %) | 141 | g (lipid) | Female | Both Adults and Juveniles | 24 | Mingo Basin | Exposure Factor Datasets | early prebasic moltf | 13 SE |
Body Weight - Mean | 1,083 | g | Female | Both Adults and Juveniles | 9 | Mingo Basin | Exposure Factor Datasets | alternate plumage, early migrants, unpaired | 37 SE |
Body Fat (total or %) | 110 | g (lipid) | Female | Both Adults and Juveniles | 26 | Mingo Basin | Exposure Factor Datasets | middle prebasic molt | 11 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Home Range | 110.9 | Breeding home range. | ha | Female | Adult | 6 | Missouri Coteau of south-central North Dakota | Exposure Factor Datasets | Laying females |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Condition | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.49 | eggs | Female | Adult | 57 | prairie pothole region of North Dakota | Exposure Factor Datasets | second year | 1.23 SE | |
Clutch or Litter Size | 8.96 | eggs | Adult | 78 | prairie pothole region of North Dakota | Exposure Factor Datasets | after second year | 1.38 SE | ||
Population Density | 3.62 | breeding pairs/km2 | Both Male and Female | Adult | Not Reported | Koenig study area | Exposure Factor Datasets | during breeding season | ||
Population Density | 4.72 | breeding pairs/km2 | Both Male and Female | Adult | Not Reported | Woodworth study area | Exposure Factor Datasets | during breeding season |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | April 10 (end) | southern part of U.S. breeding range | Exposure Factor Datasets | laying | |||||
Time of Migration or Dispersal | late February/early March (begin) to mid April (end) | southern part of U.S. breeding range | Exposure Factor Datasets | ||||||
Survival/ Mortality | 61 | These are average survival rates. For breakdown by region, see table 16, p. 27. | % | Male | Adult | not reported | Exposure Factor Datasets | ||
Time of Migration or Dispersal | mid-October (begin) to December (end) | southern part of U.S. breeding range | Exposure Factor Datasets | ||||||
Survival/ Mortality | 56 | These are average survival rates. For breakdown by region, see table 16, p. 27. | % | Female | Adult | not reported | Exposure Factor Datasets | ||
Clutch or Litter Size | eggs | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | ||||
Survival/ Mortality | 47 | These are average survival rates. For breakdown by region, see table 16, p. 27. | % | Male | Juvenile | not reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 1.27 | For 1989. Home range defined as area that broods restricted their activities to during rearing period. | km2 | Not Reported | Nestling | 13 broods | Lower Klamath National Wildlife Refuge | Exposure Factor Datasets | 0.47 SE |
Home Range | 0.62 | For 1990. Home range defined as area that broods restricted their activities to during rearing period. | km2 | Not Reported | Nestling | 14 broods | Lower Klamath National Wildlife Refuge | Exposure Factor Datasets | 0.21 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Population Density | 0.5 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Not Reported | Not Reported | Not Reported | miscellaneous | Exposure Factor Datasets | wintering birds |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.603 | spring-summer survival (proportion) | Female | Adult | 16,562 | Alberta, Saskatchewan, Manitoba | Exposure Factor Datasets | CANADA |
Survival/ Mortality | 0.782 | fall-winter survival (proportion) | Male | Adult | 18,650 | Alberta, Saskatchewan, Manitoba | Exposure Factor Datasets | CANADA |
Survival/ Mortality | 0.961 | fall-winter survival (proportion) | Female | Adult | 16,562 | Alberta, Saskatchewan, Manitoba | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 389 | mean number of ducks counted in U.S. Fish and Wildlife Service mid-winter inventories 1978-1987 | Both Male and Female | Both Adults and Juveniles | Not Reported | Imperial and Coachella Valleys | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 9.3 | eggs | Female | Adult | 18 | Adirondack Mountains | Exposure Factor Datasets | 1.3 (SD) | |
Duration of Incubation or Gestation | 28 | d | Female | Adult | 18 | Adirondack Mountains | Exposure Factor Datasets | ||
Hatching Success | 67% | proportion of tagged females that hatched clutches | Female | Adult | 18 | Adirondack Mountains | Exposure Factor Datasets | ||
Survival/ Mortality | 88% | survival of tagged females over the breeding period | Female | Adult | 22 | Adirondack Mountains | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Growth Rate | 0.0692 | growth rate estimated from logistic growth curve | Both Male and Female | Juvenile | Not Reported | central North Dakota | Exposure Factor Datasets | 0.0030 (SE) |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | 396 | breeding density | pairs/18000 acres | Both Male and Female | Adult | 396 pairs | Conaway Ranch | Exposure Factor Datasets | Yolo | breeding |
Time of Nesting | April-June | time from earliest clutch laid to last clutch hatched | Female | Adult | Not Reported | Conaway Ranch | Exposure Factor Datasets | Yolo | breeding | |
Hatching Success | 52 | proportion of nests that hatched at least one egg | % | Female | Adult | 60 nests | Conaway Ranch | Exposure Factor Datasets | Yolo | breeding |
Clutch or Litter Size | 8.37 | mean clutch size | eggs | Female | Adult | 40 nests | Conaway Ranch | Exposure Factor Datasets | Yolo | breeding |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 966 | g | Female | Juvenile | 12 | Illinois and Mississippi river valleys | Exposure Factor Datasets | hunter-harvested | 37 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Home Range | 210 | Study area was 67% upland forest, 33% lakes and wetlands. | ha | Female | Adult | 12 | western edge of Chippewa National Forest, Beltrami Co. | Exposure Factor Datasets | breeding |
Home Range | 240 | Study area was 67% upland forest, 33% lakes and wetlands. | ha | Male | Adult | 12 | western edge of Chippewa National Forest, Beltrami Co. | Exposure Factor Datasets | breeding |
Home Range | 135 | Study area was 67% upland forest, 33% lakes and wetlands. | ha | Female | Adult | 8 | western edge of Chippewa National Forest, Beltrami County | Exposure Factor Datasets | during the pre-nest interval |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 85.2% | proportion of observed nests with at least one successful hatch | Female | Adult | 209 | Tule Lake and Lower Klamath River National Wildlife Refuges | Exposure Factor Datasets | Modoc, Siskiyou | |
Time of Nesting | April-September | period between first observed nest to last observed hatches | Female | Adult | 209 | Tule Lake and Lower Klamath River National Wildlife Refuges | Exposure Factor Datasets | Modoc, Siskiyou | |
Clutch or Litter Size | 8.9 | mean clutch size of successful nests | eggs | Female | Adult | 178 | Tule Lake and Lower Klamath River National Wildlife Refuges | Exposure Factor Datasets | Modoc, Siskiyou |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.6279 | survival estimates for birds banded 1966-1985 | Male | Adult | 18,289 | Northern California | Exposure Factor Datasets | 0.009 (SE) |
Survival/ Mortality | 0.5664 | survival estimates for birds banded 1972-1981 | Male | Adult | 776 | Central California | Exposure Factor Datasets | 0.0263 (SE) |
Survival/ Mortality | 0.5390 | survival estimates for birds banded 1966-1985 | Male | Juvenile | 11,372 | Northern California | Exposure Factor Datasets | 0.0228 (SE) |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.84 | mean 17-day survival rate | Not Reported | Juvenile | 223 | Northern Prairie Wildlife Research Center, Jamestown (46deg53'N, 98deg38'W) | Exposure Factor Datasets | 17 d | 0.025 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.181 | Survival estimates determined using the Kaplan-Meier method | Not Reported | Chick | 36 | Lower Klamath National Wildlife Refuge | Exposure Factor Datasets | 10 days |
Survival/ Mortality | 0.366 | Survival estimates determined using the Kaplan-Meier method | Not Reported | Chick | 41 | Lower Klamath National Wildlife Refuge | Exposure Factor Datasets | 10 days |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.574 | spring-summer survival (proportion) | Female | Adult | 11,139 | Alberta, Saskatchewan, Manitoba | Exposure Factor Datasets | CANADA | 0.053 SE |
Snowy Plover (Charadrius nivosus formerly Charadrius alexandrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 6.33 | mean body weight at hatching | g | Both Male and Female | Hatchling | 47 | Fuente de Piedra lake, s. Spain | Exposure Factor Datasets | SPAIN | 0.56 SD |
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 | 26 (1991), 35 (1992) nests | Fuente de Piedra lake, s. Spain | Exposure Factor Datasets | SPAIN | |
Growth Rate | 0.105 | growth rate | g/day per g body mass | Both Male and Female | Juvenile | 42 | Fuente de Piedra lake, s. Spain | Exposure Factor Datasets | SPAIN |
Killdeer (Charadrius vociferus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 71.1 | body weight of an individual bird | g | Not Reported | Adult | 1 bird | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 3.26 (24) | mean density of breeding birds (maximum density in parentheses) | pairs/square mile | Both Male and Female | Adult | 130 sample units (160 acres/unit) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Longevity | 10-11 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 86 band recoveries | Exposure Factor Datasets | USA |
Least Tern (Sterna antillarum)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 0.1-1.4 | range of mean fledging success over 3 study years | fledglings/nest | Not Reported | Juvenile | 6-18 nests/study year | Yellowstone River | Exposure Factor Datasets |
California Brown Pelican (Pelecanus occidentalis ssp. californicus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | early to mid-summer | time of northward movement from southern breeding areas | Both Male and Female | Both Adults and Juveniles | 3 years | northern and central coast | Exposure Factor Datasets | ||
Population Density | 0.23 | mean density at sea off central and northern coast | birds/km^2 | Both Male and Female | Both Adults and Juveniles | 3 years | central and northern coast | Exposure Factor Datasets | 0.23 SE |
Light-footed Clapper Rail (Rallus longirostris ssp. levipes), California Clapper Rail (Rallus longirostris ssp. obsoletus), Yuma Clapper Rail (Rallus longirostris ssp. yumanensis)
Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
---|---|---|---|---|
Dietary Composition | review | Exposure Factor Datasets | USA | |
Dietary Composition | review | Exposure Factor Datasets | USA | |
Dietary Composition | review | Exposure Factor Datasets | USA | |
Territory Size | review | Exposure Factor Datasets | USA |
California Clapper Rail (Rallus longirostris ssp. obsoletus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | estimated incubation period in field | d | Not Reported | Not Reported | 3 nests | Dumbarton Bridge Marsh | Exposure Factor Datasets | San Francisco |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | range of mean densities | birds/ha | Both Male and Female | Adult | 5 sites | San Francisco Bay | Exposure Factor Datasets | Alameda, Marin, San Mateo, Santa Clara, Sonoma |
Population Density | range of mean densities | birds/ha | Both Male and Female | Adult | 5 sites | San Francisco Bay | Exposure Factor Datasets | Alameda, Marin, San Mateo, Santa Clara, Sonoma |