Terrestrial birds
Southwestern Willow Flycatcher (Empidonax traillii ssp. extimus)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Nesting | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | |
Home Range | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | |
Territory Size | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | population density in a 360 km riparian corridor as indicated by song counts | singing males/yr | Male | Adult | 6 sampling yrs | Colorado River, Grand Canyon National Park | Exposure Factor Datasets |
Population Density | population density in a 360 km riparian corridor as indicated by active nest counts | nests found/yr | Both Male and Female | Adult | 6 sampling yrs | Colorado River, Grand Canyon National Park | Exposure Factor Datasets |
Least Bell's Vireo (Vireo bellii ssp. pusillus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | range in proportions of total chicks fledging vs. total chicks hatched (for two years) | chicks fledged/chicks hatched | Not Reported | Fledgling | 147 eggs hatched (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Clutches or Litters per year | annual clutch numbers per pair observed over 2 years | clutches/yr | Both Male and Female | Adult | 43-48 pairs (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Alameda Song Sparrow (Melospiza melodia ssp. pusillula)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | 20.5-41.0 (salt marsh), 9.9-20.5 (alterned salt marsh), 5.9-11 (fringe vegetation) | breeding population densities | pairs/ha | Both Male and Female | Adult | 27 sample areas | Suisun Bay; San Francisco Bay; San Pablo Bay | Exposure Factor Datasets | Contra Costa | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | California Counties | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 2 | description | Both Male and Female | Adult | sample size | location | Exposure Factor Datasets | age | Alpine | condition | Laboratory |
Peregrine Falcon (Falco peregrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.6 | average fledging rate | fledglings/active nest | Both Male and Female | Fledgling | 3 breeding pairs | Ojo de Liebre Lagoon, Baja California | Exposure Factor Datasets | MEXICO |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 25 | mortality rate | % | Not Reported | Adult | 81 birds banded as nestlings | Exposure Factor Datasets | CANADA, USA | ||
Survival/ Mortality | 68 | mortality rate | % | Not Reported | Juvenile | 27 birds | Exposure Factor Datasets | 0-1 year | CANADA, USA |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Longevity | 15 | years | Not Reported | Adult | 1 bird | Exposure Factor Datasets | GERMANY |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Home Range | 115.2-192.1 | range of home range sizes | square km | Male | Adult | 2 | Cape Peninsula | Exposure Factor Datasets | SOUTH AFRICA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Holboell's grebe (2.4%); green-winged teal (9.7%); buffle-head (2.7%); sparrow hawk (2.4%); spruce grouse (2.4%); ruffed grouse (2.4%); lesser yellow-legs (9.7%); gulls (19.6%); hawk owl (2.4%); northern flicker (2.4%); Alaska jay (12.5%); Hudsonian chickadee (2.4%); gray-cheeked thrush (2.4%); rusty blackbird (2.4%); pine grosbeak (2.4%); robin (4.9%); unidentified passerines (17.0%) | estimated from prey item remains lying about the bluffs in study area | % total prey | Not Reported | Not Reported | 52 prey items | Tanana River, Chena | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Population Density | 1 pair per 17sq. km | pairs | Both Male and Female | Adult | 6 survey years; 17-26 territories per year | Rankin Inlet, Hudson Bay (62 deg49'N, 92 deg05'W) | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Foraging Distance | 7.5-28.0 | range of distances between the most distant locations | km | Both Male and Female | Adult | 8 birds | near the Laguna Madre | Exposure Factor Datasets |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 13.1 | ha | Male | Adult | 5 | Hollister Basin (elev. 48-210 m) | Exposure Factor Datasets | San Benito, Santa Clara | 2.0 SD | |
Dietary Composition | invertebrates (173.8), reptiles (23.0), birds (481.0), mammals (609.5) | amount of prey taken by prey weight | g | Female | Adult | 5 | Hollister Basin (elev. 48-210 m) | Exposure Factor Datasets | San Benito, Santa Clara |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | d | Both Male and Female | Fledgling | 112 | Great Basin (elev. 1260-2340 m) | Exposure Factor Datasets | Lassen | |
Clutch or Litter Size | 4.3 | eggs/clutch | Female | Adult | 38 clutches | Great Basin (1260-2340 m) | Exposure Factor Datasets | Lassen |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Home Range | 1.4 | mean maximum diameter of breeding home ranges | mi | Not Reported | Not Reported | 4 birds | agricultural lands | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
---|---|---|---|---|---|---|---|---|---|---|
Population Density | 34 | average density | kestrels/100 mi | Both Male and Female | Both Adults and Juveniles | 135 obs. | coastal and coast range areas | Exposure Factor Datasets | Colusa, Humboldt, Lake, Mendocino, Yolo | +/- 11 95% CI |
Population Density | 115 | average density | individuals/100 mi | Both Male and Female | Both Adults and Juveniles | 205 obs. | agricultural lands | Exposure Factor Datasets | Colusa, Humboldt, Lake, Mendocino, Yolo | +/- 25 95% CI |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 28.4 | mean incubation period in captivity | d | Both Male and Female | Embryo | 5 | Exposure Factor Datasets | Breeding | Laboratory | |
Clutch or Litter Size | 3.66 | mean clutch size in captivity | eggs | Female | Adult | 5 | Exposure Factor Datasets | Breeding | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Hatching Success | 2 | percent of eggs that failed to hatch | % | Not Reported | Nestling | 10 nests | Jackson Hole | Exposure Factor Datasets |
Time of Nesting | May 20 to Jul 20 | period from earliest egg laying date to date of latest brood departure | Both Male and Female | Adult | 11 nests | Jackson Hole | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Metabolic Rate | combined day and night oxygen consumption over one 24 hr period | ml oxygen/g/hr | Both Male and Female | Adult | 3 birds | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|
Population Density | 23 | individuals per 96 km2 | Both Male and Female | Adult | 23 | agricultural lands (lat, 38 deg 32'N; long., 121 deg 47'W) | Exposure Factor Datasets | Yolo | Breeding |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 129.6 | mean body weight | g | Female | Both Adults and Juveniles | 14 | captured at Dundee, IL | Exposure Factor Datasets | fasted | 6.9 SD | Laboratory |
Metabolic Rate | 1.11 | mean oxygen consumption during the light period at 10 deg C | ml O2/g bw/hr | Male | Both Adults and Juveniles | 6 | captured at Dundee, IL | Exposure Factor Datasets | fasted | 0.29 SD | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Nesting | latter two-thirds of July | time of peak nesting activity | Both Male and Female | Adult | Not Reported | near American Falls | Exposure Factor Datasets |
Fledging or Weaning Rate | 1.62 | number of doves fledged per breeding adult | Both Male and Female | Fledgling | Not Reported | near American Falls | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Dietary Composition | barley, milo, canary grass, flax, lambs quarter, water grass, wheat, cup grass, watermelon, sunflower | principal dietary items in crop contents | Both Male and Female | Both Adults and Juveniles | 214 crops | Imperial Valley | Exposure Factor Datasets | Imperial |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Surface Area | 198 | measured area of the external plumage surface of 649.1 g bird, excluding beak and non-feathered portions of legs | cm^2 | Not Reported | Adult | 1 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.716 | overall survival of radiomarked individuals | Both Male and Female | Adult | 315 | Davisdale and Mussel Fork Wildlife Areas | Exposure Factor Datasets | 0.651-0.782 95% CI |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2 | average clutch size | eggs/clutch | Female | Adult | 592 clutches | near Auburn | Exposure Factor Datasets |
Duration of Incubation or Gestation | 14 | d | Not Reported | Embryo | 5 cases | near Auburn | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of total annual nesting population, over 3 yrs | pairs | Both Male and Female | Adult | 65-100 pairs | Madelia Research Center, Watonwan County | Exposure Factor Datasets |
Fledging or Weaning Rate | number of young fledged per nesting attempt | fledglings/nest | Both Male and Female | Fledgling | ~81 nests/year | Madelia Research Center, Watonwan County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | summer | time of southward migration | Both Male and Female | Both Adults and Juveniles | Not Reported | Turlock area | Exposure Factor Datasets | Merced, Stanislaus |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 14 d, 16 hr to 15 d | incubation period up to time of hatching | Not Reported | Embryo | 1 egg | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Sexual Maturity | year of hatching | age of earliest sexual maturity, based on gonad sizes and breeding behaviors | Both Male and Female | Juvenile | 75 males, 66 females | near Tuscon | Exposure Factor Datasets |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | fall/winter season density based on roadside censuses | birds/mi^2 | Both Male and Female | Adult | Not Reported | Imperial Valley | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 78 | total number of young observed on study site | young/study site | Both Male and Female | Juvenile | 15 pairs | Albuquerque | Exposure Factor Datasets |
Fledging or Weaning Rate | 4.9 | fledglings/pair | Both Male and Female | Fledgling | 15 pairs | Albuquerque | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | 19 | % | Both Male and Female | Adult | 18 birds | Oakland Airport | Exposure Factor Datasets |
Survival/ Mortality | 18 | % | Both Male and Female | Nestling | 40 birds | Oakland Airport | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA | |
Dietary Composition | 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 | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 4.28 | average resting oxygen consumption | ml STPD/min | Not Reported | Adult | 60 | Exposure Factor Datasets | 0.12 SE | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 925 | estimate of number of pairs in census area | pairs/43,235 km^2 | Both Male and Female | Not Reported | 198 UTM blocks censused | San Francisco Bay and Central Valley areas | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.95 | oxygen consumption in zone of thermoneutrality (at 30.1 degrees, Celsius) | cubic cm O2/g/hr | Not Reported | Adult | 16 | Exposure Factor Datasets | 0.04 | Laboratory |
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 | 115 | weight consumed per day on an all chick diet | g/d | Not Reported | Adult | 4 owls | Exposure Factor Datasets | 16.9 SD | Laboratory | |
Food Ingestion Rate | 114 | weight consumed per day on an all hamster diet | g/d | Not Reported | Adult | 4 owls | Exposure Factor Datasets | 21.4 SD | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 9/16 | fraction of nests that sucessfully raised at least one nestling to the age of 4 weeks | successful nests/total nests | Both Male and Female | Adult | 16 nests | Pima and Pinal Counties | Exposure Factor Datasets | breeding |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | 1 | density of nesting pairs | pair/3 mi^2 | Both Male and Female | Adult | 4 nests | Jackson Hole | Exposure Factor Datasets |
Clutch or Litter Size | 2.2 | eggs/clutch | Female | Adult | 4 nests | Jackson Hole | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | mean number of fledglings produced per successful nest | fledglings/nest | Not Reported | Fledgling | 11-17 nests (3 study years) | southern Green County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.0 | average clutch size | eggs/clutch | Female | Adult | 12 nests | Hanford Site, Benton and Franklin Counties | Exposure Factor Datasets | 0.56 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Dietary Composition | meadow vole and jumping mouse (11.3%), juv. white-tailed jackrabbit (9.4%), horned or eared grebe (5.7%), American coot (22.6%), sora and Virginia rails (3.8%), duck (26.4%), sharp-tailed grouse (9.4%), blackbird (11.3%) | relative frequency of prey species occurence in nests | Not Reported | Nestling | 78 nest visits | Lostwood National Wildlife Refuge | Exposure Factor Datasets |
Northern Flicker (Colaptes auratus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 6.5 | average size of clutches existing in North American museum collections | eggs/clutch | Female | Adult | 411 clutches | Exposure Factor Datasets | 1.4 SD | Laboratory |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, USA | |
Time of Molt | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 6.18 | average size of clutches laid early in the breeding season | eggs/clutch | Female | Adult | 17 clutches | New Concord, Muskingum County (40 deg, 00'N, 81 deg, 46'W) | Exposure Factor Datasets |
Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.14 | mean clutch size in renests | eggs | Female | Adult | 29 nests | Toledo, Wooster, OH | Exposure Factor Datasets | 0.1 SE |
Duration of Incubation or Gestation | 13.3 | d | Both Male and Female | Embryo | 28 nests | Toledo, Wooster, OH | Exposure Factor Datasets | 0.1 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Hatching Success | 54.8 % | percent of eggs hatched of total eggs laid | Not Reported | Hatchling | 272 eggs, 91 nests | Wooster, Toledo, OH; Fremont, NE | Exposure Factor Datasets | |
Fledging or Weaning Rate | 1.11 | mean fledglings in nests of known numbers of eggs | fledglings/nest | Not Reported | Fledgling | 89 nests | Wooster, Toledo, OH; Fremont, NE | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 13.31 | mean body weight of adastus subspecies | g | Not Reported | Adult | 9 captures | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | Exposure Factor Datasets | 1.19 SD |
Body Weight - Mean | 12.59 | mean body weight of brewsteri subspecies | g | Not Reported | Adult | 33 captures | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | Exposure Factor Datasets | 1.13 SD |
Bushtit (Psaltriparus minumus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition | Error |
---|---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 0.4 | average territory size based on > 400 point observations | ha | Not Reported | Adult | 12 territories | Jasper Ridge Biological Experimental Area, nr Portola Valley | Exposure Factor Datasets | San Mateo | breeding | 0.08 |
Body Weight - Mean | 5.37 | mean body weight of museum specimens | g | Not Reported | Not Reported | 23 birds | Exposure Factor Datasets |
Loggerhead Shrike (Lanius ludovicianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.8 | average clutch size | eggs/clutch | Female | Adult | 64 clutches | Archbold Biological Station | Exposure Factor Datasets | 0.8 SD |
Duration of Incubation or Gestation | range of average incubation periods, in two habitats, for successful nests | d | Not Reported | Embryo | 64 clutches | Archbold Biological Station | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Foraging Distance | 9.2 | maximum distance travelled from a cabbage palm to a prey item on ground | m | Not Reported | Adult | 21 territories | Archbold Biological Station, Lake Placid | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | late Feb (begin), April (peak) | time of nesting activity | Both Male and Female | Adult | 133 pairs | Lawton, Comanche County | Exposure Factor Datasets | |
Hatching Success | 84 | average percent of nests that hatched at least 1 young, 4 years | % | Not Reported | Hatchling | 133 pairs | Lawton, Comanche County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | average number of hatchlings per nest, 2 years | hatchlings/nest | Not Reported | Hatchling | 27-52 pairs/yr | eastern Ontario, Quebec | Exposure Factor Datasets | CANADA |
Age at Fledging, Metamorphosis, Weaning | d | Not Reported | Fledgling | 27-52 pairs/yr | eastern Ontario, Quebec | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
---|---|---|---|---|
Metabolic Rate | review | Exposure Factor Datasets | CANADA, USA | |
Territory Size | review | Exposure Factor Datasets | CANADA, USA |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Survival/ Mortality | survival rate of juveniles prior to dispersal from the breeding territory | % | Not Reported | Juvenile | 36 nests | Yakima Training Center | Exposure Factor Datasets |
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | period from hatching to leaving nest | d | Not Reported | Fledgling | 8 birds | Lawrence | Exposure Factor Datasets |
Clutches or Litters per year | number of broods raised in one nesting season | clutches/yr | Both Male and Female | Adult | 9 pairs | Lawrence | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA | |
Duration of Incubation or Gestation | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 9.1 | territory width across sloughs | m | Both Male and Female | Adult | 64 sample areas | Suisun Bay; San Francisco Bay; San Pablo Bay | Exposure Factor Datasets | Contra Costa | breeding |
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | with & without suppl. food | Male | Adult | 23 | Exposure Factor Datasets | 56-108 d | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 73 | survival; no suppl. food; survival fledgling to independence | % | Both Male and Female | Fledgling | 29 pairs without suppl. food | Mandarte island | Exposure Factor Datasets | CANADA | |
Body Weight - Mean | 4.2 | mean mass of nestlings 1 d old; no addtn. food | g | Not Reported | Nestling | 14 nestlings | Mandarte island | Exposure Factor Datasets | CANADA | 0.17 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Territory Size | 1745 | mean territory size, measured by song playbacks and observations of border disputes | m^2 | Male | Adult | 6 birds | Reifel Island, Delta, British Columbia | Exposure Factor Datasets | CANADA | 406 SD |
Territory Size | 3956 | mean territory size, measured by song playbacks and observations of border disputes | m^2 | Male | Adult | 6 birds | Reifel Island, Delta, British Columbia | Exposure Factor Datasets | CANADA | 611 SD |
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Clutches or Litters per year | 2 | clutches/year | Both Male and Female | Adult | about 5 each | Rockefeller University field research center | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Population Density | 7.8 | median density; 10 fold fluctuation over 15 yr period | females/ha | Female | Not Reported | 19 years | Mandarte island | Exposure Factor Datasets | CANADA |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Territory Size | 12,406.8 | average territory size in mated birds | m^2 | Male | Adult | 17 birds | Boulder | Exposure Factor Datasets |
Territory Size | 3,228.1 | average territory size of unmated birds | m^2 | Male | Adult | 7 birds | Boulder | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 4.00 | body weight of average adult | oz | Not Reported | Adult | Not Reported | Exposure Factor Datasets | |
Body Weight - Mean | 0.25 | body weight of day-old nestling | oz | Not Reported | Nestling | 2 nests | Exposure Factor Datasets |