Birds
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.3 | eggs | Not Reported | Not Reported | 227 | Northeastern California | Exposure Factor Datasets | ||
Population Density | 20.8 | See table 2, p.99, for more detailed means. | breeding pairs/km2 | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | 1.5 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 56 | average survival rate of birds banded 1948-1982 | % | Female | Adult | Not Reported | Sacramento and San Joaquin Valleys, n.e. CA | Exposure Factor Datasets |
Survival/ Mortality | 47 | average survival rate of birds banded 1948-1982 | % | Male | Juvenile | Not Reported | Sacramento and San Joaquin Valleys, n.e. CA | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Time of Molt | July 21-27 | mean annual date of molt initiation (over 3 yr) | Male | Adult | 126 | Exposure Factor Datasets | Laboratory | |
Time of Molt | July 30-August 10 | mean annual date of molt initiation (over 3 yr) | Female | Adult | 131 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.377 | estimated annual survival rate (1960-1971) | Male | Juvenile | Not Reported | Malheur National Wildlife Refuge | Exposure Factor Datasets | 0.046 (SE) |
Survival/ Mortality | 0.628 | estimated annual survival rate (1960-1971) | Male | Adult | Not Reported | Malheur National Wildlife Refuge | Exposure Factor Datasets | 0.035 (SE) |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|
Dietary Composition | flora (25.3%), fauna (74.7%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 13-18 d |
Dietary Composition | flora (50.6%), fauna (49.4%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 19-25 d |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Growth Rate | 195 | maximum growth rate based on body weight | g/wk | Female | Juvenile | 72 | Exposure Factor Datasets | Laboratory | ||
Food Ingestion Rate | 376.2 | food intake of 8 week old mallards | g/wk | Both Male and Female | Juvenile | 15 | Exposure Factor Datasets | 25.6 (SE) | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Inhalation Rate | 34.9 | respiration rate during darkness | breaths/min | Male | Adult | 1 bird | Exposure Factor Datasets | unrestrained | 1.29 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | 65 | g (lipid) | Female | Both Adults and Juveniles | 11 | Mingo Basin | Exposure Factor Datasets | middle prealternate molt | 14 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Total animal, 37.0: Gastropoda, 4.5; Insecta, 22.6; Crustacea, 7.5. Total plant, 63.0: Seeds, 58.5; vegetation, 4.5; roots and tubers, 3.9. |
Proportion by volume of plant and animal foods in the esophagi of mallards. | % (by volume) | Female | Not Reported | 41 | drift prairie and Missouri Coteau in south-central North Dakota | Exposure Factor Datasets | during breeding season, nonlaying female |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | 8.6 | eggs | Female | Adult | 100 | western Edmunds Co., South Dakota | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | 55.0 | g lipid | Female | Yearling | Not Reported | prairie pothole region of North Dakota | Exposure Factor Datasets | 39.7 SD |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Molt | August 8 (begin) - September 2 (end) | Not Reported | Not Reported | Not Reported | Chippewa National Forest, east of Bemidji, Minnesota | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 6.71 (40) | 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 |
Clapper Rail (Rallus longirostris)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Longevity | 7-06 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 758 band recoveries | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 279.7 | mean body weight in sea-water acclimated birds | g | Not Reported | Adult | 16 | High Island, Chambers Co. | Exposure Factor Datasets | 6.9 |
Snowy Plover (Charadrius nivosus formerly Charadrius alexandrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Longevity | 7-00 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 35 band recoveries | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 43.1 | mean body weight | g | Male | Adult | 154 | Fuente de Piedra lake, s. Spain | Exposure Factor Datasets | SPAIN | 2.8 SD |
Killdeer (Charadrius vociferus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 33.3 | estimated breeding density in open field habitat (24 ha) | pairs/100 ha | Both Male and Female | Adult | Not Reported | St. Paul Campus, Univ. of MN | Exposure Factor Datasets |
Population Density | 31.3 | estimated breeding density in asphalt area habitat (32 ha) | pairs/100 ha | Both Male and Female | Adult | Not Reported | St. Paul Campus, Univ. of MN | Exposure Factor Datasets |
Least Tern (Sterna antillarum)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Molt | mid/late Jul-Sep | timing of pre-basic molt | Not Reported | Adult | Not Reported | coastal areas | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 76.8 | estimated survival rate of banded juveniles | % | Not Reported | Fledgling | Not Reported | Aransas and San Patricio Counties | Exposure Factor Datasets | 2.0 2SE |
Peregrine Falcon (Falco peregrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | Apr. | Both Male and Female | Hatchling | Not Reported | Sierra Madre Oriental, Nuevo Leon | Exposure Factor Datasets | MEXICO | ||
Hatching Success | 1.8 | average over 4 yr study period | young/successful nesting | Both Male and Female | Hatchling | Not Reported | Sierra Madre Oriental, Nuevo Leon | Exposure Factor Datasets | MEXICO |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.24 | mean fledging rate for pairs fledging >1 young; estimated over a 10 yr period | young fledged/pair | Both Male and Female | Adult | 42 | coastal habitats | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.62 | mean number of eggs laid per nest attempt | eggs/clutch | Female | Adult | 84 nest attempts | Rankin Inlet, Hudson Bay (62 deg49'N, 92 deg05'W) | Exposure Factor Datasets | breeding | 0.59 SD |
Hatching Success | 87% | ratio of total eggs hatched to total eggs produced | % | Both Male and Female | Hatchling | 101 pairs | 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 | Countries |
---|---|---|---|---|---|---|---|---|---|
Longevity | 12-03 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 321 band recoveries | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.21 | eggs/nest | Female | Adult | 24 nests | Southern Germany | Exposure Factor Datasets | GERMANY |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | body weight at hatch | g | Both Male and Female | Hatchling | Not Reported | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra |
Age at Fledging, Metamorphosis, Weaning | d | Both Male and Female | Fledgling | Not Reported | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Territory Size | 1.4 | average diameter of territories | km | Both Male and Female | Adult | 16 | southcentral area, agricultural lands | Exposure Factor Datasets | wintering |
Population Density | individuals per 52 km^2 | Both Male and Female | Adult | Not Reported | southcentral area, agricultural lands | Exposure Factor Datasets | wintering |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 3.1 | fledged/active nest | Both Male and Female | Fledgling | 36 nests | Great Basin (1260-2340 m) | Exposure Factor Datasets | Lassen | |
Time of Mating/ Laying | May 22 | median date of laying | Female | Adult | 27 pairs | Great Basin (elev. 1260-2340 m) | Exposure Factor Datasets | Lassen |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | 8.51 | percent body fat calculated from total body electrical conductivity | % | Female | Adult | 13 | Cape May | Exposure Factor Datasets | migrating | 2.00 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | mammal (57%), insect (42%), other (1%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | 59 pellets | agricultural lands | Exposure Factor Datasets | Yolo | breeding |
Dietary Composition | mammal (43%), insect (51%), other (6%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | 71 pellets | agricultural lands | Exposure Factor Datasets | Yolo | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Surface Area | 7.15 x 10E-3 | ventral surface area | m^2 | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Territory Size | observed range of movement, based on observations of individuals | mi^2 | Not Reported | Adult | 8 birds | Superior Township | Exposure Factor Datasets | |
Fledging or Weaning Rate | 4.2 | number of fledglings produced per pair | fledglings/pair | Not Reported | Fledgling | 10 nests | Jackson Hole | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | mean percent body fat as measured by fat extraction from April to September | % | Male | Adult | 14 | Cache county | Exposure Factor Datasets | premigratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Longevity | 11-07 | from USFWS Bird Banding Laboratory data | yr-mo | Not Reported | Adult | 1832 band recoveries | Exposure Factor Datasets | USA |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 75% | proportion of active nests that fledged young | Both Male and Female | Adult | 24 nests | Idaho National Engineering Laboratory | Exposure Factor Datasets |
Fledging or Weaning Rate | mean number of fledglings per successful nest (over three years) | Both Male and Female | Adult | 5-7 nests/yr | Idaho National Engineering Laboratory | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.8 | mean number of young fledged per successful nest | Both Male and Female | Fledgling | 358 nests | Prairie Island Nuclear Generating Plant | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Growth Rate | see figures | growth rates of nestling weight, body length, wing chord, tail length, 6th primary | Both Male and Female | Nestling | 178 birds | J. Clark Salyer National Wildlife Refuge | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA | |
Time of Mating/ Laying | 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 | California Counties |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.87 | average number of fledglings per successful nest | fledglings/nest | Not Reported | Fledgling | 185 successful nests | near Bakersfield | Exposure Factor Datasets | Kern |
Time of Nesting | Mar-Sep | period from beginning to end of nesting | Both Male and Female | Adult | 335 nest attempts | near Bakersfield | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Foraging Distance | distance flown from night roosts to feeding sites | km | Not Reported | Not Reported | Not Reported | Jackson County (elev. 430 m) | Exposure Factor Datasets | |
Dietary Composition | haygrazer (15-96%), wheat (trace-31%), pricklepoppy (trace-19%), panic grass (trace-33%), maize (3-76%), pigweed (trace-14%), sunflower (trace-10%), spurge (trace-17%), wild bean (trace-44%), others (1-6%) | percent consumption by weight of 9 most frequently eaten foods (range over 7 months) | % | Not Reported | Not Reported | Not Reported | Jackson County (elev. 430 m) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 165 | peak monthly nesting density in study area | nests/81 acres | Both Male and Female | Adult | 648 nests | Texas A&M College campus | Exposure Factor Datasets |
Clutches or Litters per year | 4.4 | mean number of nest attempts made per pair per year | nests/yr | Both Male and Female | Adult | 7 marked pairs | Texas A&M College campus | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | waste rice, milo, watergrass, yellow star thistle, Turkey mullein seeds, waste wheat, canary grass, safflower, johnson grass | food items in crop contents, in order of importance | Not Reported | Adult | 22 birds | Gray Lodge State Refuge | Exposure Factor Datasets | Butte |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | 1.8 | nesting pairs per 100 trees checked | Both Male and Female | Adult | 4 orchards | Rufus Woods Lake area | 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 | 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 |
Dietary Composition | vertebrate (89.9%), invertebrate (10.1%) | diet composition by percent biomass in pellets | Both Male and Female | Adult | 769 pellets | 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) |
Body Weight - Mean | 156 | g | Female | Adult | 31 birds | Rocky Mountain Arsenal National Wildlife Area | Exposure Factor Datasets | 3.6 (SE) |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
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 | |
Time of Nesting | April - June | 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 |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA | |
Hatching Success | 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 | 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 |
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 |
Exposure Endpoint Type | 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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
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 |
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 |
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 |
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 |
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 |
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 |
Loggerhead Shrike (Lanius ludovicianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 1.8 | average number of hatchlings per nest | hatchlings/nest | Not Reported | Hatchling | 64 clutches, 245 eggs | Archbold Biological Station | Exposure Factor Datasets | 2.0 SD |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | eggs/clutch | Female | Adult | 9 clutches | Exposure Factor Datasets | Santa Clara |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.8 | average clutch size, 4 years | eggs/clutch | Female | Adult | 101 nests | Lawton, Comanche County | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Both Male and Female | Adult | 27-52 pairs/yr | eastern Ontario, Quebec | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
---|---|---|---|---|
Duration of Incubation or Gestation | review | Exposure Factor Datasets | CANADA, USA |
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | May 25, 26 (first clutch); June 10, 17 (second clutch) | initiation dates of first and second clutches | Both Male and Female | Adult | 2 nests | Bloomington | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 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 | Male | Both Adults and Juveniles | 11-37 birds | Mandarte island | Exposure Factor Datasets | 9 - >90 wks | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 0.44 | proportion of nests that fledged at least one young | Both Male and Female | Adult | 4 nests | airports in east-central IL | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 13 | for clutches with 1-5 eggs | d | Both Male and Female | Not Reported | 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 | 4.43 | mean mass of nestlings with suppl. food 1 d old; | g | Not Reported | Nestling | 13 nestlings | Mandarte island | Exposure Factor Datasets | CANADA | 0.31 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 1.69 (40) | 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 |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of mean breeding bird densities on three grassland-sagebrush sites (over two years) | territories/16 ha | Both Male and Female | Adult | 3 sites | Wasatch National Forest | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Time of Nesting | first two weeks of May | peak time of nest initiation | Both Male and Female | Adult | 46 nests | near Delta, Manitoba | Exposure Factor Datasets | CANADA |
Brown Pelican (Pelecanus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Hatching Success | 57.1% | percent of eggs producing downy young in succesful nests (nests producing at least one young) | Female | Juvenile | 7 nests | Cape Romain National Wildlife Refuge | Exposure Factor Datasets |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | shad (26.1%), large roughfish (2.5%), small forage species (1.2%), catfish (9.6%), bass (16.5%), sunfish (15.0%), crappies (5.6%), other fishes (23.3%) | percent occurence of prey items by weight in stomach contents | Both Male and Female | Both Adults and Juveniles | 420 cormorants | east TX | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
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 | 296-424 nests/year | San Francisco Bay estuary | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | gunnels (5%), sculpins (1%), sand lance (44%), capelin (34%), flatfishes (11%), clupeids (4%), other (1%) | proportion of prey species in diet by percent volume | % | Not Reported | Both Adults and Juveniles | 187 | St. Lawrence Estuary and Gulf | Exposure Factor Datasets | CANADA |