Birds
Killdeer (Charadrius vociferus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 92.6 | mean daily energy expenditure during reproduction (during late incubation) | kJ/d | Male | Adult | 14 | Houghton Lake (lat. 44deg02', long. 08deg45') | Exposure Factor Datasets | 8.1 SE |
Metabolic Rate | 118.6 | mean daily energy expenditure during reproduction (during late incubation) | kJ/d | Female | Adult | 14 | Houghton Lake (lat. 44deg02', long. 08deg45') | Exposure Factor Datasets | 9.2 SE |
Peregrine Falcon (Falco peregrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.6 | average fledging rate | fledglings/active nest | Both Male and Female | Fledgling | 3 breeding pairs | Ojo de Liebre Lagoon, Baja California | Exposure Factor Datasets | MEXICO |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 25 | mortality rate | % | Not Reported | Adult | 81 birds banded as nestlings | Exposure Factor Datasets | CANADA, USA | ||
Survival/ Mortality | 68 | mortality rate | % | Not Reported | Juvenile | 27 birds | Exposure Factor Datasets | 0-1 year | CANADA, USA |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Longevity | 15 | years | Not Reported | Adult | 1 bird | Exposure Factor Datasets | GERMANY |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Home Range | 115.2-192.1 | range of home range sizes | square km | Male | Adult | 2 | Cape Peninsula | Exposure Factor Datasets | SOUTH AFRICA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Holboell's grebe (2.4%); green-winged teal (9.7%); buffle-head (2.7%); sparrow hawk (2.4%); spruce grouse (2.4%); ruffed grouse (2.4%); lesser yellow-legs (9.7%); gulls (19.6%); hawk owl (2.4%); northern flicker (2.4%); Alaska jay (12.5%); Hudsonian chickadee (2.4%); gray-cheeked thrush (2.4%); rusty blackbird (2.4%); pine grosbeak (2.4%); robin (4.9%); unidentified passerines (17.0%) | estimated from prey item remains lying about the bluffs in study area | % total prey | Not Reported | Not Reported | 52 prey items | Tanana River, Chena | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Population Density | 1 pair per 17sq. km | pairs | Both Male and Female | Adult | 6 survey years; 17-26 territories per year | Rankin Inlet, Hudson Bay (62 deg49'N, 92 deg05'W) | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Foraging Distance | 7.5-28.0 | range of distances between the most distant locations | km | Both Male and Female | Adult | 8 birds | near the Laguna Madre | Exposure Factor Datasets |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 13.1 | ha | Male | Adult | 5 | Hollister Basin (elev. 48-210 m) | Exposure Factor Datasets | San Benito, Santa Clara | 2.0 SD | |
Dietary Composition | invertebrates (173.8), reptiles (23.0), birds (481.0), mammals (609.5) | amount of prey taken by prey weight | g | Female | Adult | 5 | Hollister Basin (elev. 48-210 m) | Exposure Factor Datasets | San Benito, Santa Clara |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | d | Both Male and Female | Fledgling | 112 | Great Basin (elev. 1260-2340 m) | Exposure Factor Datasets | Lassen | |
Clutch or Litter Size | 4.3 | eggs/clutch | Female | Adult | 38 clutches | Great Basin (1260-2340 m) | Exposure Factor Datasets | Lassen |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 1.4 | mean maximum diameter of breeding home ranges | mi | Not Reported | Not Reported | 4 birds | agricultural lands | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | 34 | average density | kestrels/100 mi | Both Male and Female | Both Adults and Juveniles | 135 obs. | coastal and coast range areas | Exposure Factor Datasets | Colusa, Humboldt, Lake, Mendocino, Yolo | +/- 11 95% CI |
Population Density | 115 | average density | individuals/100 mi | Both Male and Female | Both Adults and Juveniles | 205 obs. | agricultural lands | Exposure Factor Datasets | Colusa, Humboldt, Lake, Mendocino, Yolo | +/- 25 95% CI |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 28.4 | mean incubation period in captivity | d | Both Male and Female | Embryo | 5 | Exposure Factor Datasets | Breeding | Laboratory | |
Clutch or Litter Size | 3.66 | mean clutch size in captivity | eggs | Female | Adult | 5 | Exposure Factor Datasets | Breeding | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Hatching Success | 2 | percent of eggs that failed to hatch | % | Not Reported | Nestling | 10 nests | Jackson Hole | Exposure Factor Datasets |
Time of Nesting | May 20 to Jul 20 | period from earliest egg laying date to date of latest brood departure | Both Male and Female | Adult | 11 nests | Jackson Hole | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | combined day and night oxygen consumption over one 24 hr period | ml oxygen/g/hr | Both Male and Female | Adult | 3 birds | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Population Density | 23 | individuals per 96 km2 | Both Male and Female | Adult | 23 | agricultural lands (lat, 38 deg 32'N; long., 121 deg 47'W) | Exposure Factor Datasets | Yolo | Breeding |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 129.6 | mean body weight | g | Female | Both Adults and Juveniles | 14 | captured at Dundee, IL | Exposure Factor Datasets | fasted | 6.9 SD | Laboratory |
Metabolic Rate | 1.11 | mean oxygen consumption during the light period at 10 deg C | ml O2/g bw/hr | Male | Both Adults and Juveniles | 6 | captured at Dundee, IL | Exposure Factor Datasets | fasted | 0.29 SD | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Nesting | latter two-thirds of July | time of peak nesting activity | Both Male and Female | Adult | Not Reported | near American Falls | Exposure Factor Datasets |
Fledging or Weaning Rate | 1.62 | number of doves fledged per breeding adult | Both Male and Female | Fledgling | Not Reported | near American Falls | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | barley, milo, canary grass, flax, lambs quarter, water grass, wheat, cup grass, watermelon, sunflower | principal dietary items in crop contents | Both Male and Female | Both Adults and Juveniles | 214 crops | Imperial Valley | Exposure Factor Datasets | Imperial |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Surface Area | 198 | measured area of the external plumage surface of 649.1 g bird, excluding beak and non-feathered portions of legs | cm^2 | Not Reported | Adult | 1 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.716 | overall survival of radiomarked individuals | Both Male and Female | Adult | 315 | Davisdale and Mussel Fork Wildlife Areas | Exposure Factor Datasets | 0.651-0.782 95% CI |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2 | average clutch size | eggs/clutch | Female | Adult | 592 clutches | near Auburn | Exposure Factor Datasets |
Duration of Incubation or Gestation | 14 | d | Not Reported | Embryo | 5 cases | near Auburn | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of total annual nesting population, over 3 yrs | pairs | Both Male and Female | Adult | 65-100 pairs | Madelia Research Center, Watonwan County | Exposure Factor Datasets |
Fledging or Weaning Rate | number of young fledged per nesting attempt | fledglings/nest | Both Male and Female | Fledgling | ~81 nests/year | Madelia Research Center, Watonwan 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 | summer | time of southward migration | Both Male and Female | Both Adults and Juveniles | Not Reported | Turlock area | Exposure Factor Datasets | Merced, Stanislaus |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 14 d, 16 hr to 15 d | incubation period up to time of hatching | Not Reported | Embryo | 1 egg | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | year of hatching | age of earliest sexual maturity, based on gonad sizes and breeding behaviors | Both Male and Female | Juvenile | 75 males, 66 females | near Tuscon | Exposure Factor Datasets |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | arthropods (92%), vertebrates (8%) | percent occurrence in diet based on pellet analysis | Both Male and Female | Not Reported | 5,559 pellets | Gilliam, Morrow, and Umatilla counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Mating/ Laying | third week of March (begin) | Female | Adult | 15 pairs | Albuquerque | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Time of Molt | Jul (begin) | Both Male and Female | Adult | Not Reported | Oakland Airport | Exposure Factor Datasets | ||
Fledging or Weaning Rate | proportion of nesting pairs that successfully fledged young (over two years) | % | Both Male and Female | Adult | 18 birds | Oakland Airport | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA | |
Duration of Incubation or Gestation | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Inhalation Rate | 340 | breathing rate with heat loading (gular flutter onset) | breaths/min | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | vertebrate (86.7%), invertebrate (13.3%) | diet composition by percent biomass in pellets | Both Male and Female | Adult | pellets 5,559 | Columbia Basin | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 146 | g | Male | Adult | 38 birds | Rocky Mountain Arsenal National Wildlife Area | Exposure Factor Datasets | 1.9 (SE) |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 3.5 | mean hatching success in artificial burrows | eggs hatched/eggs laid | Not Reported | Juvenile | 8 clutches, 66 eggs | New Mexico State University | Exposure Factor Datasets | 2.9 SE |
Great Horned Owl (Bubo virginianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.343 | mean standard metabolic rate | ml O^2/g bw/hr | Female | Adult | 2 birds | Exposure Factor Datasets | fasted | 0.044 | Laboratory | |
Metabolic Rate | 0.566 | mean standard metabolic rate | ml o^2/g bw/hr | Male | Adult | 4 birds | Exposure Factor Datasets | fasted | 0.080 | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | mammals (47.0%), birds (5.2%), reptiles (15.7%), arachnids (8.7%), centipedes (7.0%), insects (16.5%) | percent of total numbers of prey items in diet, based on pellet analysis | Both Male and Female | Adult | 2 owls (49 pellets) | El Comitan, Baja California Sur | Exposure Factor Datasets | nesting | MEXICO |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of numbers of nesting pairs counted annually on a 1476 sq km study site | pairs/study site | Both Male and Female | Adult | 4 years | Hanford Site, Benton and Franklin Counties | Exposure Factor Datasets |
Population Density | range of numbers of individual owls counted annually on a 1476 sq km study site | individuals/study site | Both Male and Female | Adult | 4 years | Hanford Site, Benton and Franklin Counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Territory Size | observed range of movement during nesting, based on observations of individual or pair movements | mi^2 | Not Reported | Adult | 4 birds | Jackson Hole | Exposure Factor Datasets | |
Dietary Composition | white-footed mice (3.6%), meadow mice (64.5%), shrews (0.3%), weasels (0.6%), red squirrel (0.3%), pocket gopher (23.5%), snowshoe rabbit (2.8%), ruffed grouse (1.4%) sage grouse (0.3%), mallard (0.6%), sm-med sized birds (1.4%), sucker (0.8%) | percent occurrence of prey items in diet during nesting | % | Not Reported | Not Reported | 361 food items, 4 nests | Jackson Hole | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Home Range | 24.8-26.1 | mean home range size of nonterritorial individuals in 1990 and 1991 | square km | Both Male and Female | Adult | 6 (1990), 8 (1991) | Kluane Lake (60 deg57'N, 138deg12'W), Yukon | Exposure Factor Datasets | CANADA | |
Territory Size | 4.83 | mean territory size of territorial pairs | square km | Both Male and Female | Adult | 16 territories | Kluane Lake (60 deg57'N, 138deg12'W), Yukon | Exposure Factor Datasets | CANADA | 0.40 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 62.6 | average daily consumption on an all mouse diet | g/d | Not Reported | Adult | 1 owl | collected in Larimer County, CO | Exposure Factor Datasets | Laboratory |
Northern Flicker (Colaptes auratus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Hatching Success | 3.25 | average number of nestlings from clutches laid late in the breeding season (1990-1992, 1994) | nestlings/clutch | Not Reported | Nestling | 4 clutches | New Concord, Muskingum County (40 deg, 00'N, 81 deg, 46'W) | Exposure Factor Datasets |
Fledging or Weaning Rate | 5.09 | average number of fledglings from clutches laid early in the breeding season (1990-1992, 1994) | fledglings/clutch | Not Reported | Fledgling | 11 clutches | New Concord, Muskingum County (40 deg, 00'N, 81 deg, 46'W) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, USA | |
Growth Rate | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, USA |
Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 16% | Percent of nests that fledged young | Not Reported | Fledgling | 19 nests | Kern River Preserve | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 56.3% | percent of unparasitized nests with at least one fledgling | Not Reported | Fledgling | 16 nests | Illinois River, Arapahoe National Wildlife Refuge (elev. 2,500 m) | Exposure Factor Datasets |
Fledging or Weaning Rate | 18.2% | percent of parasitized nests with at least one fledgling | Not Reported | Fledgling | 11 nests | Illinois River, Arapahoe National Wildlife Refuge (elev. 2,500 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | total daily energy expenditure | kJ/h | Male | Adult | 2-4 birds per breeding phase | Hudson Biological Reserve | Exposure Factor Datasets | breeding |
Metabolic Rate | total daily energy expenditure | kJ/d | Female | Adult | 2-6 birds per breeding phase | Hudson Biological Reserve | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | early to mid-June | timing of arrival of spring migrants | Both Male and Female | Adult | Not Reported | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra |
Bushtit (Psaltriparus minumus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Foraging Distance | See figure | figure showing mapping of approximate ranges of two flocks during one season | Both Male and Female | Not Reported | 2 flocks | University of California campus | Exposure Factor Datasets | Santa Barbara | nonbreeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 3.96 | approximate basal rate of nocturnal oxygen consumption, measured at 30 deg C | cc O^2/g/h | Not Reported | Adult | 12 birds | captured at Occidental College, Los Angeles | Exposure Factor Datasets | Laboratory |
Loggerhead Shrike (Lanius ludovicianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.4 | average number of fledglings produced per nest | fledglings/nest | Not Reported | Fledgling | 64 clutches, 245 eggs | Archbold Biological Station | Exposure Factor Datasets | 1.7 SD |
Clutches or Litters per year | number of second clutches laid per season | clutches/yr | Both Male and Female | Adult | 27 pairs | Archbold Biological Station | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | range of nesting density, 2 study areas | Both Male and Female | Adult | 10-19 pairs/study area | Ada, Elmore, Owyhee Counties | Exposure Factor Datasets | ||
Age at Sexual Maturity | 1 | yr | Not Reported | Adult | 4 birds | Ada, Elmore, Owyhee Counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 16.9 | average incubation period, 4 years | d | Both Male and Female | Embryo | 55 nests | Lawton, Comanche County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Territory Size | 9.3 | ha | Both Male and Female | Adult | 10 pairs | Archbold Biological Station, Highlands County | Exposure Factor Datasets | 3.8 SD |
Exposure Endpoint Type | Endpoint Value | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|
Body Weight - Mean | review | Both Adults and Juveniles | Exposure Factor Datasets | CANADA, USA |
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|
Body Weight - Mean | g | Not Reported | Hatchling | 3 birds | Bloomington | Exposure Factor Datasets | day of hatch |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Hatching Success | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | g | Female | Both Adults and Juveniles | 2-17 birds | Mandarte island | Exposure Factor Datasets | 9 - >90 wks | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 0.02 | nest density | nests/ha | Both Male and Female | Adult | 4 nests | airports in east-central IL | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | d | Both Male and Female | Fledgling | 15 years | Mandarte island | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 16.81 | mean mass of nestlings with suppl. food 6 d old | g | Not Reported | Nestling | 48 nestlings | Mandarte island | Exposure Factor Datasets | CANADA | 0.3 SE |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | Sturnella sp., Colaptes, sparrows, Lepus californicus, Sigmodon hispidus, Sylvilagus sp., Felis domesticus | species observed to be scavenged by meadowlarks | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.32 | number of young fledged per female | young/female | Female | Adult | 38 females | near Delta, Manitoba | Exposure Factor Datasets | CANADA | 0.06 SE |
Western Grebe (Aechmophorus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | early July | peak of laying period | Female | Adult | 386 nests | Bear River Migratory Bird Refuge | Exposure Factor Datasets |
Brown Pelican (Pelecanus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 90.5 | growth rate during maximum growth phase | g/day | Both Male and Female | Nestling | 65 chicks | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 1.8 SE |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | mean meal weight of chicks aged 5-37 days | g | Not Reported | Juvenile | 2 chicks | Iles de la Madeleine Archipelago, Gulf of St. Lawrence | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.8 | eggs/nest | Female | Adult | Not Reported | Utah Lake, Utah County | Exposure Factor Datasets |
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1,068 | g | Female | Both Adults and Juveniles | 34 | Mingo Basin | Exposure Factor Datasets | early prebasic molt | 22 SE |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Dietary Composition | Sago pondweed (Potamogeton pectinatus); Leafy pondweed (P. foliosus); small pondweed (P. pusillus); smartweed (Polygonum amphibium); widgeon grass (Ruppia maritima); redhead grass (Potamogeton perfoliatus); muskgrass (Chara spp.); duckweeds (Lemna minor and L. trisulca); horned pondweed (Zannichellia palustris); duck potato (Sagittaria arifolia); water spikerush (Eleocharis acicularis) | Both Male and Female | Not Reported | Not Reported | lower Flathead Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 32.4 | g | Both Male and Female | Hatchling | 36 | central North Dakota | Exposure Factor Datasets | 1 d | 2.4 SD |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.18 | fully feathered young/hen | Not Reported | Juvenile | 11 hens | prairie pothole region of North Dakota | Exposure Factor Datasets | after third year |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Location | Type |
---|---|---|---|---|---|
Dietary Composition | beechnuts, acorns, and slugs, snails, frogs or lizards (occasionally) | Not Reported | Not Reported | Central Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.5 | eggs | Not Reported | Not Reported | 1934 | Suisun Marsh | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.713 | survival rate | Female | Both Adults and Juveniles | Not Reported | Chippewa National Forest | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | 43.9% | nest success rate (Mayfield method) among overwater nests | Female | Adult | 47 | Minnedosa, Manitoba | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | total plant seeds (19.3%), total grain (5.7%), acorns (64.5%), total vegetation (0.9%), tubers/rhizomes (5.1%), invertebrates (4.6%) | mean aggregate % dry mass of foods collected in mallard stomachs (one season) | Male | Both Adults and Juveniles | 104 | Mingo National Wildlife Refuge | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | animal (3.0%), plant (97.0%) | percent composition of esopageal food samples | Both Male and Female | Both Adults and Juveniles | 2,118 | Mississippi Alluvial Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.5626 | survival estimates for birds banded 1966-1985 | Female | Juvenile | 8,205 | Central California | Exposure Factor Datasets | 0.0445 (SE) |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | food consumption rate for average body weight of 1.23 kg | g/duck/d | Female | Adult | 18 | Exposure Factor Datasets | Laboratory |