Birds
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.961 | fall-winter survival (proportion) | Female | Adult | 16,562 | Alberta, Saskatchewan, Manitoba | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Time of Nesting | April-September | period between first observed nest to last observed hatches | Female | Adult | 209 | Tule Lake and Lower Klamath River National Wildlife Refuges | Exposure Factor Datasets | Modoc, Siskiyou | |
Clutch or Litter Size | 8.9 | mean clutch size of successful nests | eggs | Female | Adult | 178 | Tule Lake and Lower Klamath River National Wildlife Refuges | Exposure Factor Datasets | Modoc, Siskiyou |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Hatching Success | 67% | proportion of tagged females that hatched clutches | Female | Adult | 18 | Adirondack Mountains | Exposure Factor Datasets |
Survival/ Mortality | 88% | survival of tagged females over the breeding period | Female | Adult | 22 | Adirondack Mountains | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.5664 | survival estimates for birds banded 1972-1981 | Male | Adult | 776 | Central California | Exposure Factor Datasets | 0.0263 (SE) |
Survival/ Mortality | 0.5390 | survival estimates for birds banded 1966-1985 | Male | Juvenile | 11,372 | Northern California | Exposure Factor Datasets | 0.0228 (SE) |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Hatching Success | 52 | proportion of nests that hatched at least one egg | % | Female | Adult | 60 nests | Conaway Ranch | Exposure Factor Datasets | Yolo | breeding |
Clutch or Litter Size | 8.37 | mean clutch size | eggs | Female | Adult | 40 nests | Conaway Ranch | Exposure Factor Datasets | Yolo | breeding |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 1,083 | g | Female | Both Adults and Juveniles | 9 | Mingo Basin | Exposure Factor Datasets | alternate plumage, early migrants, unpaired | 37 SE |
Body Fat (total or %) | 110 | g (lipid) | Female | Both Adults and Juveniles | 26 | Mingo Basin | Exposure Factor Datasets | middle prebasic molt | 11 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Home Range | 135 | Study area was 67% upland forest, 33% lakes and wetlands. | ha | Female | Adult | 8 | western edge of Chippewa National Forest, Beltrami County | Exposure Factor Datasets | during the pre-nest interval |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Population Density | 4.72 | breeding pairs/km2 | Both Male and Female | Adult | Not Reported | Woodworth study area | Exposure Factor Datasets | during breeding season |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | eggs | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | |||
Survival/ Mortality | 47 | These are average survival rates. For breakdown by region, see table 16, p. 27. | % | Male | Juvenile | not reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.366 | Survival estimates determined using the Kaplan-Meier method | Not Reported | Chick | 41 | Lower Klamath National Wildlife Refuge | Exposure Factor Datasets | 10 days |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.574 | spring-summer survival (proportion) | Female | Adult | 11,139 | Alberta, Saskatchewan, Manitoba | Exposure Factor Datasets | CANADA | 0.053 SE |
Snowy Plover (Charadrius nivosus formerly Charadrius alexandrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.69 (1991), 2.54 (1992) | mean numbers of chicks hatched per successful nest | chicks/nest | Both Male and Female | Hatchling | 26 (1991), 35 (1992) nests | Fuente de Piedra lake, s. Spain | Exposure Factor Datasets | SPAIN |
Growth Rate | 0.105 | growth rate | g/day per g body mass | Both Male and Female | Juvenile | 42 | Fuente de Piedra lake, s. Spain | Exposure Factor Datasets | SPAIN |
Killdeer (Charadrius vociferus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 3.26 (24) | mean density of breeding birds (maximum density in parentheses) | pairs/square mile | Both Male and Female | Adult | 130 sample units (160 acres/unit) | Exposure Factor Datasets |
Peregrine Falcon (Falco peregrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Time of Nesting | Mar. - June | time when eggs were laid to time when all young abandoned nests | Female | Adult | 3 breeding pairs | Ojo de Liebre Lagoon, Baja California | Exposure Factor Datasets | MEXICO |
Time of Mating/ Laying | Feb. - Mar. | time of laying | Female | Adult | 3 breeding pairs | Ojo de Liebre Lagoon, Baja California | Exposure Factor Datasets | MEXICO |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.3 | mean clutch size | eggs/clutch | Female | Adult | 29 | Thelon River, Northwest Territories | Exposure Factor Datasets | CANADA |
Time of Mating/ Laying | May - June | time of laying | Female | Adult | 19 | Thelon River, Northwest Territories | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Population Density | range of mean distances (SE) between adjacent nests | km | Both Male and Female | Adult | 3 sites, 9-26 nests per site | Grand Canyon National Park | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets | USA | |
Age at Sexual Maturity | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | range of annual mortality rates over 3 years, corrected for known movements | % | Female | Adult | 7-11 recaptured birds/yr | Colville, Sagavanirktok, Yukon, and Tanana Rivers | Exposure Factor Datasets |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Growth Rate | y = 8.89 + 7.33x | growth rate from day 3-16 | Male | Nestling | Not Reported | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra |
Growth Rate | y = 7.77 + 7.44x | growth rate from day 3-16 | Female | Nestling | 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 | Countries |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 57 | average annual mortality of banded individuals (over 6 years) | % | Both Male and Female | Both Adults and Juveniles | Not Reported | 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 (85.4%), vertebrates (14.6%) | relative numbers of dietary items captured | Not Reported | Not Reported | 24 birds | Arcata Bottoms; pasture | Exposure Factor Datasets | Humboldt |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.59 | eggs/clutch | Female | Adult | 244 | Exposure Factor Datasets | 0.60 SD | ||
Survival/ Mortality | 0.602 | mortality rate estimate for banded individuals | Both Male and Female | Both Adults and Juveniles | 118 | throughout USA and Canada | Exposure Factor Datasets | 0.035 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.1 | mean clutch size over 3 years | eggs per nest | Female | Adult | 28 pairs | rural and urban lands | Exposure Factor Datasets | Breeding |
Population Density | 0.06 | mean pair density in study area (194 km2) | pairs per km2 | Both Male and Female | Adult | 5 years | rural and urban lands | Exposure Factor Datasets | Breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 113.4 | average body weight | g | Male | Adult | 25 birds | Exposure Factor Datasets | 2.0 SE | Laboratory | |
Body Weight - Mean | 120.2 | average body weight | g | Female | Adult | 26 birds | Exposure Factor Datasets | 5.3 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Hatching Success | 68% | mean percent of eggs hatched of total eggs laid (4 sample years) | % | Not Reported | Juvenile | 217 eggs | Lucas and Wayne Counties (40deg57'N, 93deg18'W) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 0.42 | mean caloric consumption per g body weight per day (wet weight basis) | kcal/g/day | Male | Adult | 2 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Inhalation Rate | 35.4 | mean resting respiratory rate | #/min | Not Reported | Adult | 4 | Exposure Factor Datasets | crippled, non-releasable | 3.21 SD | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 4.1 | mean brood size (13 sample years) | young/nest | Not Reported | Juvenile | 37 successful nests | Portage County (44deg27'N, 89deg40'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 at Sexual Maturity | 93+ | age of puberty attainment | d | Female | Yearling | 91 birds | east-central area | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 99.3 | mean body weight | g | Female | Adult | 6 birds | southeastern area | Exposure Factor Datasets | 155.1 SD |
Body Weight - Mean | 114.6 | mean body weight | g | Male | Adult | 14 birds | southeastern area | Exposure Factor Datasets | 75.7 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | September | period of departure for fall migration | Both Male and Female | Both Adults and Juveniles | 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 |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 58.5% | weighted mean annual mortality of banded doves | Both Male and Female | Juvenile | 1,179 birds | near Savage | Exposure Factor Datasets |
Survival/ Mortality | 28.2% | weighted mean annual mortality of banded doves | Both Male and Female | Adult | 991 birds | near Savage | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Longevity | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA | |
Survival/ Mortality | 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 |
---|---|---|---|---|---|---|---|---|
Population Density | 250-330 | density of breeding pairs | pairs/220 acres | Both Male and Female | Adult | 220 acres | Lewis, Cass County | Exposure Factor Datasets |
Clutches or Litters per year | 5.85-5.98 | average number of nest attempts by individual pairs | nests/year | Both Male and Female | Adult | 1108-1443 nests/year | Lewis, Cass County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 7.7 | average body weight | g | Not Reported | Hatchling | 15 nests | near Orondo, Douglas County | Exposure Factor Datasets | 0 days (hatch) |
Body Weight - Mean | 79.0 | average body weight | g | Not Reported | Fledgling | 15 nests | near Orondo, Douglas County | Exposure Factor Datasets | 14 days |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 48.0 % | mean annual mortality rate | Both Male and Female | Adult | 725 birds | Berkeley | Exposure Factor Datasets | Contra Costa | 4.3 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | turkey mullein, buckthorn weed, milk thistle, safflower, red maids, California poppy, chickweed, miner's lettuce | principal dietary items in crop contents | Both Male and Female | Both Adults and Juveniles | 152 crops | Sacramento Valley | Exposure Factor Datasets | Butte |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | mammals (85), insects (170), birds (3), spiders (0), reptiles (1) | number of prey items found in sample pellets | Both Male and Female | Both Adults and Juveniles | 60 pellets | Crooked River National Grassland | Exposure Factor Datasets |
Dietary Composition | mammals (28), insects (22) | number of prey items found in sample pellets | Both Male and Female | Both Adults and Juveniles | 20 pellets | Crooked River National Grassland | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Body Weight - Mean | 168.0 | g | Female | Not Reported | 10 birds | Oakland Airport | Exposure Factor Datasets |
Territory Size | 1.98 | ac | Both Male and Female | Adult | 6 pairs | Oakland Airport | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.5 | mean number of chicks per nest | chicks/nest | Both Male and Female | Adult | 11 pairs | Moffett Air Force Base | Exposure Factor Datasets | Santa Clara |
Hatching Success | 78 | percent of pairs hatching at least one chick | % | Both Male and Female | Adult | 9 pairs | Shoreline Park | Exposure Factor Datasets | Santa Clara |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 158.6 | body weight | g | Male | Adult | 13 | Exposure Factor Datasets | Laboratory | |
Body Weight - Mean | 150.6 | body weight | g | Female | Adult | 15 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | Dipodomys sp (8-18%), Perognathus sp (4-29%), insects (53-75%), crayfish (0-9%), reptiles (0-5%), birds (0-1%) | frequency of occurence in pellets | Both Male and Female | Adult | 3 burrows | Coachella Valley | Exposure Factor Datasets |
Great Horned Owl (Bubo virginianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Food Ingestion Rate | 26.58 | daily food intake on a mouse diet, dry weight basis | g/kg/d | Not Reported | Adult | 4 owls x 5 days = 20 owl days | Exposure Factor Datasets | 4.08 | Laboratory | |
Food Ingestion Rate | 26.37 | daily food intake on a turkey poult diet, dry weight basis | g/kg/d | Not Reported | Adult | 26 owl days | Exposure Factor Datasets | 6.33 SD | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Growth Rate | 0.1900 | growth constant based on logistic growth equation | Female | Nestling | 1 owl | Delaware County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 1 | bird/2000 acres | Both Male and Female | Not Reported | 11 owls | Superior township | Exposure Factor Datasets | |
Dietary Composition | white-footed mice (58.2%), meadow mice (28.0%), other small mammals (2.8%), medium sized mammals (5.1%), gamebirds and sm-med sized birds (4.8%), other birds (1.2%) | percent occurrence of prey items in pellets | Not Reported | Not Reported | 297 pellets from 14 owls | Superior township | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Population Density | density based on call counts | birds/2000 ac | Both Male and Female | Both Adults and Juveniles | 7 counts | San Joaquin Experimental Range | Exposure Factor Datasets | Madera | |
Dietary Composition | cottontail (61.1%), woodrat (17.9%), kangaroo rat (4.5%), pocket gopher (4.3%), gopher snake (3.7%), ground squirrel (2.4%), other spp (birds, reptiles, amphibians, invertebrates; 6.1%) | percent occurrence by weight in pellets | Not Reported | Not Reported | 654 pellets, 1471 prey items | San Joaquin Experimental Range | Exposure Factor Datasets | Madera |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | February (peak), March (end) | egg laying dates | Female | Adult | 16 nests | Pima and Pinal Counties | Exposure Factor Datasets | breeding |
Northern Flicker (Colaptes auratus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Foraging Distance | range of distances between night roost location and the following day's locations | km | Not Reported | Adult | 4 birds, 20-99 radio fixes per bird | Lakewood, Jefferson County | Exposure Factor Datasets | |
Body Weight - Mean | 140 | average body weight at time of capture | g | Not Reported | Adult | 4 birds | Lakewood, Jefferson County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, USA | |
Dietary Composition | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, USA |
Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Time of Nesting | May-August | inclusive of pairing through departure from nesting territory | Both Male and Female | Adult | 15 birds | Sierra National Forest | Exposure Factor Datasets | Fresno | |
Territory Size | range of territory sizes during the breeding season | m^2 | Both Male and Female | Adult | 15 birds | Sierra National Forest | Exposure Factor Datasets | Fresno |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Hatching Success | 24/31 | total number of eggs hatched relative to estimate of total eggs laid | eggs hatched/eggs laid | Not Reported | Nestling | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra | |
Territory Size | 3000 | average territory size of paired males based on observed perch locations | m^2 | Male | Adult | 8 territories | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra | 2000 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.241 | predicted night time basal metabolic rate | W | Not Reported | Adult | Not Reported | collection location George E. Hudson Biological Reserve, Whitman County | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | mid-May (onset), June 8 (date of last capture) | spring passage | Not Reported | Adult | 42 captures | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | Exposure Factor Datasets |
Bushtit (Psaltriparus minumus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | range of individual body weights | g | Not Reported | Hatchling | 2 birds | Stanford University Campus | Exposure Factor Datasets | Santa Clara |
Loggerhead Shrike (Lanius ludovicianus)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Both Male and Female | Adult | 49 nests | York County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Hatching Success | 5.69 | average number of eggs hatched per successful nest | eggs/nest | Not Reported | Hatchling | 65 successful nests | Pawnee National Grassland | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 4.18 | average number of eggs hatched per nest | hatchlings/nest | Not Reported | Hatchling | 51 nests | southern Minnesota | Exposure Factor Datasets | 2.33 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Odonata (12.1), Hemiptera (23.0), Coleoptera (22.3), Lepidoptera (7.3), Orthoptera (16.8), Hyla cinerea (7.6), H. squirella (1.7), Gastrophyne carolensis (0.9), Rana spenocephala (0.4), Anolis carolinensis (2.8), Scincella lateralis (4.1), Eumeces inexpectatus (1.0) | percent of total prey items caught by observed pairs | % | Both Male and Female | Adult | 6 territories | Archbold Biological Station near Lake Placid | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
---|---|---|---|---|
Population Density | review | Exposure Factor Datasets | CANADA, USA |
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 59.9 | percent of eggs producing fledglings of total eggs laid | % | Not Reported | Hatchling | 24 nests, 70 eggs | upper Santa Cruz River | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Dietary Composition | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutch or Litter Size | oological collections | eggs/nest | Both Male and Female | Adult | 545 records | from Baja California to Alaska | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 3.87 | young raised to independence | Not Reported | Fledgling | 34 nests | Mandarte Island | Exposure Factor Datasets | CANADA | 0.68 SE |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 17 | d | Both Male and Female | Fledgling | 16 pairs with suppl. food | Mandarte island | Exposure Factor Datasets | CANADA |
Song Sparrow (Melospiza melodia), Suisun Song Sparrow (Melospiza melodia ssp. maxillaris), San Pablo Song Sparrow (Melospiza melodia ssp. samuelis)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|
Population Density | see table 1 | Both Male and Female | Adult | 64 sites | San Francisco Bay region | Exposure Factor Datasets | Alameda, Contra Costa | breeding |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5 | usual number of eggs laid | eggs/clutch | Female | Adult | Not Reported | Exposure Factor Datasets |
Western Grebe (Aechmophorus occidentalis)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | estimates of asymptotic weights | g | Both Male and Female | Juvenile | 4 birds | Bear River Migratory Bird Refuge (collection site) | Exposure Factor Datasets | Laboratory |
Brown Pelican (Pelecanus occidentalis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.2 | mean clutch size among successful nests | eggs | Female | Adult | 32 nests | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 0.2 SE |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 34.7 | g | Not Reported | Hatchling | 33 chicks | Iles de la Madeleine Archipelago, Gulf of St. Lawrence | Exposure Factor Datasets | CANADA | 2.96 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | sculpin, rock gunnel, blueback herring, alewife, wrymouth, sand shrimp, cunner, American eel, rock crab, N. Caridean shrimp, sand shrimp, white perch, yellow perch, rainbow smelt, N. lobster, Atlantic tomcod | primary dietary items from nestling regurgitant samples | Not Reported | Nestling | 673 samples | Penobscot Bay | Exposure Factor Datasets |