Terrestrial birds
Peregrine Falcon (Falco peregrinus)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | range over 2 yrs | young/successful nest | Both Male and Female | Adult | 11 - 18 nests | Wager Bay, Northwest Territories | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets | USA | |
| Fledging or Weaning Rate | review | Both Male and Female | Fledgling | Not Reported | Exposure Factor Datasets | USA | |
| Population Density | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 1.80 | average number of fledged or nearly fledged young per occupied cliff | fledglings/nest | Both Male and Female | Adult | 12 pairs | Yukon River | Exposure Factor Datasets | breeding |
| Dietary Composition | waterfowl (50%), shorebirds (10-12%), small gulls (10-15%), small land birds (20%), small mammals (2-3%) | dietary contribution of groups of species, by weight, based on collection of remains at nests | Both Male and Female | Adult, Chick | 329 prey items | Yukon River | Exposure Factor Datasets | breeding |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | range over 2 yrs | young/pair | Both Male and Female | Fledgling | 7 - 9 pairs | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 16 | average maximum loss rate; estimated by number of individuals returning to nest in 2 successive yrs | % | Both Male and Female | Adult | 23 - 34 cases | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 41.7 | mean egg weight | g | Not Reported | Embryo | 13 | Thelon River, Northwest Territories | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3.70 | average clutch size | eggs/clutch | Female | Adult | 77 clutches | Exposure Factor Datasets | CANADA, MEXICO, USA |
American Kestrel (Falco sparverius)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | late May - June | entire laying period | Female | Adult | Not Reported | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra | |
| Time of Molt | May - September | Both Male and Female | Adult | Not Reported | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra | ||
| Fledging or Weaning Rate | 98 | of chicks that hatched | % | Both Male and Female | Fledgling | 150 | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 102.5 | g | Male | Adult | 88 | throughout USA | Exposure Factor Datasets | USA |
| Body Weight - Mean | 119.0 | g | Female | Adult | 72 | throughout USA | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | invertebrates (39.3%), herpetofauna (37.9%), mammals (22.8%) | dietary composition (% of total biomass), 1973-1974 | Female | Not Reported | 3 | Arcata Bottoms | Exposure Factor Datasets | Humboldt |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | 30.9 | incubation period | d | Both Male and Female | Embryo | 2 clutches (8 eggs) | Berks county | Exposure Factor Datasets |
| Survival/ Mortality | 78 | hatching success | % | Both Male and Female | Hatchling | 55 eggs (14 clutches) | Berks county | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|---|
| Population Density | 48 | individuals in 175 km2 | Both Male and Female | Both Adults and Juveniles | 1 study area | agricultural lands, woodlots, meadows | Exposure Factor Datasets | |
| Population Density | 50 | individuals in 175 km2 | Both Male and Female | Adult | 1 study area | agricultural lands, woodlots, meadows | Exposure Factor Datasets | Breeding |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 20 | number of individual kestrels counted annually on study site | individuals/1476 sq km | 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 |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 49% | mean percent of successful nests per year | % | Both Male and Female | Adult | 259 nesting attempts | Berks and Lehigh counties | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Time of Migration or Dispersal | August (begin) | period of fall migration of individuals fledged in northern CA, or at high elevations | Both Male and Female | Both Adults and Juveniles | Not Reported | throughout state | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Growth Rate | 0.250 | growth rate of body weight in parent-reared birds | Male | Nestling | 11 birds | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.4 | mean clutch size (4 sample years) | eggs/clutch | Female | Adult | 7-23 nests/year | Lucas and Wayne Counties (40deg57'N, 93deg18'W) | Exposure Factor Datasets |
Mourning Dove (Zenaida macroura)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|---|---|
| Time of Nesting | April 20-September 20 | period during which active nests were observed | Both Male and Female | Adult | 121 nests | Fremont and Waterloo areas | Exposure Factor Datasets | ||
| Body Weight - Mean | 7.04 | mean body weight | g | Both Male and Female | Hatchling | 28 nestlings | Fremont and Waterloo areas | Exposure Factor Datasets | day of hatch |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | 12-13 | age at which young leave nest | d | Both Male and Female | Fledgling | Not Reported | Gray Lodge State Refuge | Exposure Factor Datasets | Butte |
| Body Weight - Mean | 125 | average body weight | g | 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 | 0.8 | mean number of young fledged per nesting attempt | Both Male and Female | Fledgling | 123 nests | Rufus Woods Lake area | 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 | |
| Clutches or Litters per year | 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 | 93 | age at which birds became capable of breeding | d | Female | Yearling | 91 birds | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 71 | intake based on analysis of crop contents | kcal/day/bird | Not Reported | Adult | 120 birds | captured in Grand Forks County, ND | Exposure Factor Datasets | 66.6-75.4 95% CI | Laboratory |
| Dietary Composition | green foxtail (39.8%), yellow foxtail (21.4%), wheat (19.6%), black bindweed (5.1%), maize (4.7%), proso millet (3.0%), flax (2.0%), field mustard (1.6%), lamb's quarters (1.2%) | percent occurrence in diet by weight | % | Not Reported | Adult | 120 birds | captured in Grand Forks County, ND | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 9.08 (76) | mean density of breeding birds (maximum density in parentheses) | pairs/square mile | Both Male and Female | Adult | 130 sample units (160 acres/unit) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | 3.3 | mean breeding density | Both Male and Female | Adult | ten 100 ac plots | southwest and northeast areas | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 16.1% | daily food ingestion as percent of body weight | % | Not Reported | Not Reported | 22 birds | Exposure Factor Datasets | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 37.3 | percent of all nests in which nestlings reached 10 d of age | % | Both Male and Female | Adult | 83 nests | Davisdale Wildlife Area (39deg01.3'N,92deg37.5'W) | Exposure Factor Datasets |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Mating/ Laying | April | Female | Adult | 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 (31.4%), birds (5.9%), insects (28.6%), vegetation (61.0%) | mean percent occurrence in pellets | Both Male and Female | Not Reported | 608 pellets | Oakland Airport | Exposure Factor Datasets |
| Dietary Composition | mammals (41.2%), birds (2.0%), insects (23.3%), vegetation (55.5%) | mean percent occurrence in pellets | Both Male and Female | Not Reported | 366 pellets | Oakland Airport | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 1.91 | fledglings/successful nest | Both Male and Female | Adult | 52 nests | Mapimf Biosphere Reserve, Durango (1,000-1,350 m) | Exposure Factor Datasets | MEXICO | |
| Hatching Success | 61 | proportion of pairs that successfully raised at least one young | % | Both Male and Female | Adult | 52 nests | 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 |
|---|---|---|---|---|---|---|---|
| Survival/ Mortality | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA | |
| Home Range | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 1.9 | mean fledging rate in natural burrows | fledglings/nest | Not Reported | Juvenile | 59 nests | New Mexico State University | Exposure Factor Datasets | 1.9 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 7.8 | based on Christmas bird counts 1954-1986 | per 1,000 mi | Both Male and Female | Both Adults and Juveniles | Not Reported | Exposure Factor Datasets | 2.3 (SD) |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Dietary Composition | mammals (4.7%), birds (50.4%), amphibians (1.3%), reptiles (12.8%), insects (30.8%) | percent composition of diet by biomass | % | Not Reported | Adult | 396 identified prey items | Sierra de Bahoruco | Exposure Factor Datasets | nesting | DOMINICAN REPUBLIC |
Great Horned Owl (Bubo virginianus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Metabolic Rate | 0.59 | average basal metabolic rate | cc O^2/g bw/hr | Not Reported | Adult | 3 birds | Exposure Factor Datasets | postabsorptive | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Microtus (66.7%), Peromyscus (27.6%), Dipodomys (1.1%), Sylvilagus (0.3%), Euphagus cyanocephalus (0.3%), Sorex (0.2%), Tadarida brasiliensis (0.2%), Mustela frenata (0.2%), unident. bird (1.4%), unident. small mammal (0.7%), insect (1.3%) | percent occurence of prey items in pellets | Not Reported | Not Reported | 107 pellets | Tule Lake National Wildlife Refuge | Exposure Factor Datasets | Siskiyou |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Hatching Success | 100% | percent of eggs hatched in nests that produced young | Not Reported | Nestling | 11 nests | south-central Montana | Exposure Factor Datasets | ||
| Clutch or Litter Size | 2.2 | eggs/clutch | Female | Adult | 6 nests | south-central Montana | Exposure Factor Datasets | 0.2 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | Neotoma fuscipes (11.3), Thomomys bottae (36.2), Mus musculus (14.0), Microtus californicus (13.5), Reithrodontomys megalotis (8.7), Perognathus sp. (7.8), Dipodomys agilis (3.1), Peromyscus sp. (3.1), Notiosorex crawfordi (1.3), Sylvilagus sp. (0.5), Sorex ornatus (0.5) | percent of total number of specimens identified in pellets | Not Reported | Not Reported | Not Reported | Santa Monica Mountains (1 ledge) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Hatching Success | 47.3% | percent of nests with at least one young surviving to banding age (of all pairs observed) | Not Reported | Juvenile | 1777 territories | near Cincinnati | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Longevity | 20.7 | known age at time of death | yr | Not Reported | Adult | 1 bird | s. of Aberdeen, Saskatchewan | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | Sylvilagus nuttallii (12.4%), Spermophilus washingtoni (0.4%), Thomomys talpoides (29.7%), Perognathus parvus (12.5%), Dipodomys ordii (1.4%), Reithrodontomys megalotis (0.3%), Peromyscus maniculatus (6.2%), Neotoma cinerea (2.1%), Microtus montanus (7.7%), Mus musculus (0.2%), unident. microtinae (4.5%), Mustela frenata (0.4%), Anas platyrynchos (2.6%), Phasianus colchicus (2.5%), Fulica americana (1.5%), Charadrius vociferus (0.2%), Tyto alba (10.7%), Sternella neglecta (0.2%), unident. Fringillidae (0.2%), unident. Passeriformes (1.2%), unident. snake (1.4%), Cyprinus carpio (1.3%), Stenopelmatus spp (0.2%) | percent of total prey biomass | Not Reported | Not Reported | 234 pellets | Esquatzel Coulee, Franklin County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | maximum body weights achieved by captively raised chicks | oz | Not Reported | Juvenile | 2 birds | captured in Kansas | Exposure Factor Datasets | Laboratory |
Northern Flicker (Colaptes auratus)
| Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Hatching Success | range of mean brood to clutch size ratios measured among male and female auratus ssp., cafer ssp., and auratus/cafer hybrid flickers | Both Male and Female | Adult | 4-42 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 Fledging or Metamorphosis | mid-June to late July | Both Male and Female | Juvenile | 40 pairs | near New Concord | Exposure Factor Datasets | |
| Time of Nesting | early May to late June | time of incubation | Both Male and Female | Adult | 40 pairs | near New Concord | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|
| Time of Molt | June-July | date of onset of postjuvenal and adult molt | Not Reported | Both Adults and Juveniles | 2500 birds | Exposure Factor Datasets | Laboratory |
Willow Flycatcher (Empidonax traillii)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Fledging or Metamorphosis | July 15-August 13 | dates on which first and last young fledged | Both Male and Female | Adult | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra |
| Time of Migration or Dispersal | August 31 | date by which last fall migrants departed | Both Male and Female | Adult | Not Reported | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | Mollusca (4), Arachnida (19), Isopoda (4), Orthoptera (15), Hemiptera (56), Coleoptera (7), Lepidoptera adult (20), Lepidoptera larvae (10), Diptera adult (188), Hymenoptera adult (9), Hymenoptera larvae (1) | numbers of food items delivered to nestlings fitted with neck ligatures | Not Reported | Nestling | 333 food items collected | Badenoch Swamp, 14 km SE of Guelph (69 deg, 32'N, 80 deg, 13' W) | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Surface Area | 0.00487 | estimated area of the external plumage surface (geometrical approximation) of 13.2 g bird | m^2 | Not Reported | Adult | Not Reported | Exposure Factor Datasets | Laboratory |
Bushtit (Psaltriparus minumus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Food Ingestion Rate | 35.17 | consumption of mealworms at 20 deg C | kJ/d | Not Reported | Adult | 6 birds | captured at Occidental College, Los Angeles | Exposure Factor Datasets | 1.26 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Mar-Apr | time of peak nesting activity | Both Male and Female | Adult | Not Reported | Stanford University Campus | Exposure Factor Datasets | Santa Clara |
Loggerhead Shrike (Lanius ludovicianus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 64.0 | estimated probability of an egg surviving to hatch in pasture areas | % | Not Reported | Embryo | 25 clutches | Archbold Biological Station | Exposure Factor Datasets | 30.1 SD |
| Survival/ Mortality | 67.0 | estimated probability of a nestling surviving to fledge in fenceline areas | % | Not Reported | Nestling | 39 clutches | Archbold Biological Station | Exposure Factor Datasets | 1.8 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 6.39 | average clutch size, 4 years | eggs/clutch | Female | Adult | 77 pairs | Pawnee National Grassland | Exposure Factor Datasets |
| Duration of Incubation or Gestation | 16 | incubation period | d | Not Reported | Embryo | 330 hatched eggs | Pawnee National Grassland | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 64 | overall nestling survival rate | % | Not Reported | Nestling | 90 nests | Lawton, Comanche County | Exposure Factor Datasets |
| Survival/ Mortality | 46 | calculated probability of survival of any nest from incubation onset to end of fledging | % | Not Reported | Fledgling | 109 nests | Lawton, Comanche County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Hatching Success | 33.8 | percent of eggs that produced hatchlings by the day after the first hatch | % | Not Reported | Hatchling | 24 clutches | Archbold Biological Station, Highlands County | Exposure Factor Datasets | 47.6 SD |
| Body Weight - Mean | 33.0 | mean body weight of 10 day old nestlings | g | Not Reported | Nestling | 18 nestlings | Archbold Biological Station, Highlands County | Exposure Factor Datasets | 2.6 SD |
| Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
|---|---|---|---|---|
| Clutch or Litter Size | review | Exposure Factor Datasets | CANADA, USA | |
| Age at Sexual Maturity | review | Exposure Factor Datasets | CANADA, USA |
Bell's Vireo (Vireo bellii)
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | g | Male | Adult | 3 birds | Bloomington | Exposure Factor Datasets | feeding young |
| Body Weight - Mean | g | Female | Adult | 4 birds | Bloomington | Exposure Factor Datasets | feeding young |
Song Sparrow (Melospiza melodia)
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | pairs/100 acres | Both Male and Female | Adult | Not Reported | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa | breeding | |
| Clutch or Litter Size | 8.2 | eggs/pair/year | Both Male and Female | Adult | Not Reported | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa | breeding |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 10.1 | number of eggs fertilized | Female | Adult, Both Adults and Juveniles | 96 males | Mandarte Island | Exposure Factor Datasets | CANADA | 0.97 |
| Clutches or Litters per year | 2 | clutches/year | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Home Range | 125 | median | m | Male | Adult | nr | Point Reyes National Seashore | Exposure Factor Datasets | Marin |
| Home Range | 162 | median | m | Female | Adult | nr | Point Reyes National Seashore | Exposure Factor Datasets | Marin |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Time of Molt | June-September | Both Male and Female | Adult | 69 | Mandarte Island | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3.58; 3.42 | Both Male and Female | Adult | 140; 89 | Mandarte Island | Exposure Factor Datasets | CANADA | 0.1; 0.19 |
Western Meadowlark (Sturnella neglecta)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 0 to 12 (+/-15) | mean nest densities in untilled corn or soybean fields | nests/100 ha | Both Male and Female | Adult | 8-9 fields | Adair County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 6 | density of birds nesting and feeding in study area | birds per 50 acres | Both Male and Female | Adult | 6 | near Iowa Lakeside Laboratory | Exposure Factor Datasets |
| Home Range | estimated breeding territory size defended by males | acres | Both Male and Female | Adult | 4 territories | near Iowa Lakeside Laboratory | Exposure Factor Datasets |
| Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|
| Population Density | birds/acre | Not Reported | Not Reported | 23-67 birds counted | Los Banos, Merced | Exposure Factor Datasets | Merced |
Southwestern Willow Flycatcher (Empidonax traillii ssp. extimus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 18% | percent of nests that fledged at least one young | % | Both Male and Female | Both Adults and Juveniles | 17 nest attempts (in 5 sample years) | Colorado River | Exposure Factor Datasets |
| Clutch or Litter Size | 3 | mean clutch size | eggs/nest | Female | Adult | 3 nests | Colorado River | Exposure Factor Datasets |
San Clemente Loggerhead Shrike (Lanius ludovicianus ssp. mearnsi)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 2.33 | mean number of fledglings produced per successful nest | fledglings/nest | Not Reported | Fledgling | 29 nests | San Clemente Island | Exposure Factor Datasets | 0.34 SD |
| Survival/ Mortality | 45 | percent of fledglings that died before reaching independence from parents | % | Not Reported | Fledgling | 29 nests | San Clemente Island | Exposure Factor Datasets |
Least Bell's Vireo (Vireo bellii ssp. pusillus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | review | reproductive success data | Adult | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Population Density | number of singing males per linear km of suitable habitat | birds/km | Male | Adult | 8 survey sites | various CA locations | Exposure Factor Datasets |
San Pablo Song Sparrow (Melospiza melodia ssp. samuelis)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Territory Size | 387; 498; 644 | depending upon habitat type | m2 | Both Male and Female | Adult | 8-11 | Petaluma marsh | Exposure Factor Datasets | Sonoma |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
|---|---|---|---|---|---|---|---|---|---|---|
| Population Density | 16.6-32.4 (salt marsh), 10.6-13.1 (altered salt marsh), 16.6-24.7 (brackish marsh), 9.1-17.5 (altered brackish marsh) | breeding population densities | pairs/ha | Both Male and Female | Adult | 26 sample areas | Suisun Bay; San Francisco Bay; San Pablo Bay | Exposure Factor Datasets | Contra Costa | breeding |
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