Birds
Great Horned Owl (Bubo virginianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Dietary Composition | rodents (98.5%), birds + insects + reptiles + lagomorphs (1.5%) | percent of prey types in diet (seasonal average) | Not Reported | Adult | 522 pellets | near Bariloche, northwest. Patagonia | Exposure Factor Datasets | ARGENTINA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1,229 | mean body weight | g | Male | Adult | 4 birds | Exposure Factor Datasets | fasted | 106 | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Lepus californicus (0.2%), Sylvilagus spp. (6.0%), unident. lagomorphs (1.7%), Peromyscus maniculatus (69.2%), Microtus monatus (0.7%), Dipodomys spp. (0.6%), unident. rodents (0.4%), Myotis spp. (1.1%), unident. chiropteran (0.2%), unident. mammal (3.9%), Larus californicus (1.3%), unident. large bird (7.1%), unident. medium bird (1.1%), unident. small bird (0.9%), unident. vertebrate (4.3%), insects (1.5%) | percent occurence of prey items in pellets | Not Reported | Not Reported | 188 pellets, 536 remains | Negit Island, Mono Lake | Exposure Factor Datasets | Mono |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 64% | percent of nests known to fledge young | Not Reported | Fledgling | 11 nests | south-central Montana | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Neotoma fuscipes (7.9%), Thomomys bottae (20.7%), Mus musculus (25.0%), Microtus californicus (14.9%), Reithrodontomys megalotis (1.7%), Perognathus sp. (4.1%), Dipodomys agilis (4.3%), Peromyscus sp. (3.8%), Notiosorex crawfordi (0.3%), Sylvilagus sp. (0.8%), Sorex ornatus (0.1%), Scapanus latimanus (0.7%), Stenopelmatus sp (2.1%), Elgaria multicarinata (0.1%), unident. birds (4.3%) | percent of total number of specimens identified in pellets | Not Reported | Not Reported | 25 lbs of pellets | Univ. of Calif., Los Angeles campus | Exposure Factor Datasets | Los Angeles |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 1-4 | brood size at the time of banding | young/nest | Not Reported | Juvenile | 906 nests | near Cincinnati | Exposure Factor Datasets |
Northern Flicker (Colaptes auratus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.75 | average number of fledglings from clutches laid late in the breeding season (1990-1992, 1994) | fledglings/clutch | Not Reported | Fledgling | 4 clutches | New Concord, Muskingum County (40 deg, 00'N, 81 deg, 46'W) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 1.26 (20) | 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 Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | range of mean clutch sizes measured among auratus ssp., cafer ssp., and auratus/cafer hybrid flickers | eggs/clutch | Female | Adult | 10-32 clutches per subspecies or hybrid group | Lincoln, Morrill, Scottsbluff Counties, NE; Platte County, WY | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Nesting | mid-April to early May | time of nest excavation starts | Both Male and Female | Adult | 40 pairs | near New Concord | Exposure Factor Datasets |
Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | mid-June | time by which first eggs laid | Both Male and Female | Adult | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra |
Time of Hatching or Parturition | June 30 | time by which first eggs hatched | Both Male and Female | Adult | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4 | first clutch size in 13/14 females observed | eggs/nest | Female | Adult | 14 females | Badenoch Swamp, 14 km SE of Guelph (69 deg, 32'N, 80 deg, 13' W) | Exposure Factor Datasets | CANADA | ||
Territory Size | 3,009 | mean territory size based on observed perch sites and territorial disputes | m^2 | Male | Adult | 61 observation periods | Badenoch Swamp, 14 km SE of Guelph (69 deg, 32'N, 80 deg, 13' W) | Exposure Factor Datasets | breeding | CANADA | 153 SE |
Bushtit (Psaltriparus minumus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | metabolic rate = 0.36(ambient T) + 14.64 | linear regression equation for relationship between nocturnal metabolism and ambient temperature | Not Reported | Adult | 12 birds | captured at Occidental College, Los Angeles | Exposure Factor Datasets | Laboratory | ||
Body Weight - Mean | 5.5 | mean body weight | g | Not Reported | Adult | 6 birds | captured at Occidental College, Los Angeles | Exposure Factor Datasets | 0.2 SE | Laboratory |
Loggerhead Shrike (Lanius ludovicianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
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 | ||
Survival/ Mortality | 13.0 | estimated probability of an egg surviving to hatch in fenceline areas | % | Not Reported | Embryo | 39 clutches | Archbold Biological Station | Exposure Factor Datasets | 0.2 SD |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 1 | yr | Not Reported | Adult | 4 birds | Ada, Elmore, Owyhee Counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 16.8 | d | Not Reported | Fledgling | 28 nests | Lawton, Comanche County | Exposure Factor Datasets |
Clutches or Litters per year | clutches/yr | Both Male and Female | Adult | 122 pairs | Lawton, Comanche County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.1 | mean number of fledglings produced per nesting attempt | fledglings/nest | Not Reported | Fledgling | 24 clutches | Archbold Biological Station, Highlands County | Exposure Factor Datasets | |
Clutch or Litter Size | 3.8 | mean clutch size | eggs/clutch | Female | Adult | 24 clutches | Archbold Biological Station, Highlands County | Exposure Factor Datasets | 0.9 SD |
Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | review | Exposure Factor Datasets | CANADA, USA | |
Clutches or Litters per year | review | Exposure Factor Datasets | CANADA, USA |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | 1 | clutches/yr | Both Male and Female | Adult | 77 pairs | Pawnee National Grassland | Exposure Factor Datasets |
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | Not Reported | Embryo | 3 eggs | Bloomington | Exposure Factor Datasets | ||
Age at Fledging, Metamorphosis, Weaning | period from hatching to leaving nestd | d | Not Reported | Fledgling | 6 birds | Bloomington | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Hemiptera (34.43%), Orthoptera (18.52%), Lepidoptera (20.63%), Coleoptera (15.26%), Hymenoptera (6.44%), other insects and spiders (2.71%), vegetable food (0.7%) | percent occurrence of food items in stomachs | Not Reported | Not Reported | 52 stomachs | Exposure Factor Datasets | USA |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | 8-10 | pairs/acre | Both Male and Female | Adult | Not Reported | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa |
Clutch or Litter Size | 3.14 | eggs/nest | Both Male and Female | Adult | Not Reported | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Longevity | 6 | years | Male | Chick, Not Reported | 2 males out of 51 male and female; 7 year study | Mandarte island | Exposure Factor Datasets | CANADA | |
Clutch or Litter Size | 11.1 | numbers of eggs laid | Female | Adult | 79 females | Mandarte Island | Exposure Factor Datasets | CANADA | 0.76 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 45 | annual survival rates of adult song sparrows at Point Reyes | % | Both Male and Female | Adult | 539 birds | Point Reyes National Seashore | Exposure Factor Datasets | Marin |
Survival/ Mortality | 20 | known minimum survival rates of juveniles; 1966-69 | % | Both Male and Female | Juvenile | nr | Point Reyes National Seashore | Exposure Factor Datasets | Marin |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 24.75 | over 90 wks | g | Female | Adult | 2 birds | Mandarte Island | Exposure Factor Datasets | over 90 wks | CANADA | 2.1 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Territory Size | 0.21;0.26 | rural; suburban | ha | Both Male and Female | Adult | 10 territories | Amherst MA, 42 deg.22' N., 72 deg. 30' W | Exposure Factor Datasets |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 75.9 | mean body weight | g | Female | Adult | 3 birds | Exposure Factor Datasets | MEXICO |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Hatching Success | 19/31 | proportion of successful nests (hatched at least one egg) in which entire clutch hatched | Both Male and Female | Adult | 41 nests | near Delta, Manitoba | Exposure Factor Datasets | CANADA | ||
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 |
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 |
Brown Pelican (Pelecanus occidentalis)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | range of mean fledging ages over four years | days | Not Reported | Fledgling | 7-12 birds/year | Tarpon Key | Exposure Factor Datasets |
Body Weight - Mean | body weight at hatching | g | Not Reported | Nestling | 47 birds | Tarpon Key | Exposure Factor Datasets |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1.33 | kg | Not Reported | Both Adults and Juveniles | 5 cormorants | Exposure Factor Datasets | Laboratory | ||
Metabolic Rate | 85 | measured during the day 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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | range in mean clutches in ground nests (across 4 years) | Female | Adult | 34-127 nests/colony | Lake Ontario (43 deg 53'N, 76 deg 24'W) | Exposure Factor Datasets | spring | |
Fledging or Weaning Rate | 2.14 | mean number of young produced/active nest (across 10 yrs) | Both Male and Female | Fledgling | Not Reported | Lake Ontario (43 deg 53'N, 76 deg 24'W) | Exposure Factor Datasets | spring |
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | 111 | g (lipid) | Female | Both Adults and Juveniles | 9 | Mingo Basin | Exposure Factor Datasets | alternate plumage - early migrants, unpaired | 8 SE |
Body Fat (total or %) | 145 | g (lipid) | Female | Both Adults and Juveniles | 19 | Mingo Basin | Exposure Factor Datasets | alternate plumage, paired | 7 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 620 | ha | Male | Adult | 5 | Bemidji, Beltrami Co. | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | May 5 - May 14 | Female | Not Reported | prairie pothold region of North Dakota | Exposure Factor Datasets | second year females | |
Time of Migration or Dispersal | April 20 - May 14 | Female | Adult | Not Reported | prairie pothole region of North Dakota | Exposure Factor Datasets | three years and older |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | April 4 - July (median = May) | time of clutch initiation | Female | Adult | 265 nests | eastern - south central North Dakota, near Jamestown | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 59 | Survival rates, not mortality. | % | Female | Adult | Not Reported | Lower Klamath National Wildlife Refuge, CA | Exposure Factor Datasets | 3.4 SE |
Survival/ Mortality | 52 | Survival rates, not mortality. | % | Female | Juvenile | Not Reported | Lower Klamath National Wildlife Refuge | Exposure Factor Datasets | 7.8 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 | Female | Not Reported | Not Reported | preirrigated croplands | Exposure Factor Datasets | wintering birds |
Population Density | 0.07 | For explanation of classifications, see p. 11 (classifications are Kern NWR, hunting clubs, etc). | birds/ha | Not Reported | Not Reported | Not Reported | evaporation ponds | Exposure Factor Datasets | wintering birds |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Dietary Composition | gastropoda (0.001), crustacea (0.007), insecta (0.003), and plant (0.980) | mean relative proportions (wet mass) of stomach contents | Both Male and Female | Not Reported | 22 | St. Lawrence River | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Population Density | 15,221 | 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 | Suisun Marsh | Exposure Factor Datasets | Solano |
Population Density | 4,667 | 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 | San Francisco Delta | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 10.4 | mean clutch size from first nesting attempt | eggs | Female | Adult | 151 | Exposure Factor Datasets | 0.2 (SE) | Laboratory | |
Time of Nesting | April-June | date of nest initiation | Female | Adult | 151 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|
Dietary Composition | flora (99.1%), fauna (0.92%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 46-55 d |
Dietary Composition | flora (99.9%), fauna (0.08%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 52-60 d |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 70 | mean length of drainage ditch (5 ft wide) defended | yd | Male | Adult | 8 ducks | Conaway Ranch | Exposure Factor Datasets | Yolo | breeding |
Time of Hatching or Parturition | May 16-29 | peak hatching period | Both Male and Female | Hatchling | Not Reported | 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 | 1,163 | g | Male | Juvenile | 61 | Illinois and Mississippi river valleys | Exposure Factor Datasets | hunter harvested | 12 SE |
Body Weight - Mean | 1,078 | g | Female | Adult | 105 | Illinois and Mississippi river valleys | Exposure Factor Datasets | hunter-harvested | 11 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Home Range | 467.8 | ha | Female | Adult | 6 | Missouri Couteau, south-central North Dakota | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Location | Type |
---|---|---|---|
Dietary Composition | Review | Mingo Basin, Missouri | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.998 | spring-summer survival (proportion) | Male | Adult | 18,650 | Alberta, Saskatchewan, Manitoba | Exposure Factor Datasets | CANADA |
Snowy Plover (Charadrius nivosus formerly Charadrius alexandrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.63 | clutch size | eggs/clutch | Female | Adult | 316 nests | Fuente de Piedra lake, s. Spain | Exposure Factor Datasets | SPAIN |
Fledging or Weaning Rate | 19.3% | Percent of nests in which at least one chick hatched. | % | Both Male and Female | Both Adults and Juveniles | 316 nests | Fuente de Piedra lake, s. Spain | Exposure Factor Datasets | SPAIN |
Killdeer (Charadrius vociferus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Physidae (0.9%), Odonata larvae (1.3%), Corixidae adult (1.3%), Coleoptera adult (25.5%), Coleoptera larvae (21.2%), Coleoptera adult pieces (17.0%), Diptera larvae (18.3%), Hymenoptera adult (6.1%), Unidentified (2.6%), plant fibers (1.3%), grit (4.5%) | volumetric aggregate percent of esophageal contents | Not Reported | Both Adults and Juveniles | 15 birds | Mingo National Wildlife Refuge | Exposure Factor Datasets | migrating |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | 7.6 (fall), 15.4 (winter), 2.2 (spring) | mean population density | birds/ha | Not Reported | Not Reported | 5 seasons censused | Bolinas Lagoon, Point Reyes National Seashore | Exposure Factor Datasets | Marin |
Least Tern (Sterna antillarum)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Hatching Success | 0.79-1.31 | mean hatching success during two years of study | eggs hatched/nest | Not Reported | Chick | 545-606 nests per study year | Sandy Point, West Haven | Exposure Factor Datasets |
Peregrine Falcon (Falco peregrinus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Population Density | 17 | pairs/172 miles of river | Both Male and Female | Adult | 17 pairs | Yukon River | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Survival/ Mortality | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | brood survival; increase to 60% in 1991, due to protective measures | % | Not Reported | Fledgling | Not Reported | Exposure Factor Datasets | GERMANY |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Dietary Composition | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets | USA |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Home Range | 109.4 | average home range - breeding | ha | Both Male and Female | Adult | 32 | 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 | Lab |
---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 28.4 | mean nestling period | d | Both Male and Female | Fledgling | 29 chicks | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | invertebrates (10.5%), herpetofauna (2.4%), mammals (79.1%), birds (8.0%) | dietary composition (% of total biomass), 1972-1973 | Female | Not Reported | 4 | Arcata Bottoms | Exposure Factor Datasets | Humboldt |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | insects (97%), isopod (5%), birds (27%), mammals (25%) | percent occurrence in sample pellets | Not Reported | Not Reported | Not Reported | agricultural lands | Exposure Factor Datasets | Tulare |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | mammal (82%), insect (16%), other (2%) | percent composition of sample pellets (by volume) | Both Male and Female | Adult | 116 pellets | agricultural lands | Exposure Factor Datasets | Yolo |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 10 | number of nesting pairs counted annually on study site | pairs/1476 sq km | 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 | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | averages of food amounts eaten per day | g | Both Male and Female | Not Reported | 3 birds | Exposure Factor Datasets | captive | Laboratory |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Growth Rate | see figures | growth rates of body weight, body length, wing, alar tract from hatching to fledging | Both Male and Female | Nestling | 53 nestlings | Fremont and Waterloo areas | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Nesting | mid-March to September 20 | nesting season duration (peaks in July) | Both Male and Female | Adult | Not Reported | Gray Lodge State Refuge | Exposure Factor Datasets | Butte |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 90.3% | proportion of young fledged in successful nests | Both Male and Female | Adult | 123 nests | Rufus Woods Lake area | 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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 80 | age at which birds became capable of breeding | d | Male | Yearling | 79 birds | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|---|
Age at Sexual Maturity | 93 | age at which birds were judged capable of reproduction | d | Female | Juvenile | 58 birds | Exposure Factor Datasets | 131 days |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 86% | estimated mortality rate in the first year, based on band returns | Both Male and Female | Juvenile | Not Reported | Texas A&M College campus | Exposure Factor Datasets |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Hatching Success | based on number of young observed at burrow | % | Both Male and Female | Hatchling | 4 burrows | Umatillo and Morrow counties | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | mammals (18.9%), birds (3.9%), insects (29.9%), vegetation (71.3%) | mean percent occurrence in pellets | Both Male and Female | Not Reported | 209 pellets | Oakland Airport | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Population Density | nesting density based on nearest-neighbor test | pairs/km2 | Both Male and Female | Adult | 23-29 pairs | Mapimf Biosphere Reserve, Durango (1,000-1,350 m) | Exposure Factor Datasets | MEXICO |
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, MEXICO, USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 2.2 | mean hatching success in natural burrows | eggs hatched/eggs laid | Not Reported | Juvenile | 59 nests | New Mexico State University | Exposure Factor Datasets | 1.9 SE |
Western Grebe (Aechmophorus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Dietary Composition | Ascaradina (3), Gastropoda (10, Orthoptera (2), Hemiptera (2), Diptera (1), Coleoptera (4), Siluridae (4), Centrarchidae (77), plant (4) | % of total stomach content volume | % | Not Reported | Adult | 27 birds | Clear Lake | Exposure Factor Datasets | Lake |