Terrestrial birds
Willow Flycatcher (Empidonax traillii)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Time of Migration or Dispersal | mid-August (onset), September 16 (date of last capture) | fall migration | 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 | ||
| Body Weight - Mean | 12.7 | mean body weight of all birds (subspecies not separated) | g | Not Reported | Adult | 84 | Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) | Exposure Factor Datasets | 1.2 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 50% | proportion of nestlings known or believed to have fledged | Both Male and Female | Fledgling | 8 nests | Sierra National Forest | Exposure Factor Datasets | Fresno |
| 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/nest | Female | Adult | 29 nests | Wooster and Toledo, OH; Fremont, NE | Exposure Factor Datasets | 0.1 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3.68 | mean first clutch size | eggs | Female | Adult | 31 nests | Toledo, Wooster, OH | Exposure Factor Datasets | 0.1 SE |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 36.4% | percent of young fledged of total eggs laid | Not Reported | Fledgling | 272 eggs, 91 nests | Wooster, Toledo, OH; Fremont, NE | Exposure Factor Datasets |
Ensatina (Ensatina eschscholtzii), Loggerhead Shrike (Lanius ludovicianus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 0.092 | change in snout-vent length measured between recaptures (>1000d) | mm/d | Female | Adult | Not Reported | Calaveras Big Trees State Park (elev., 1400m) | Exposure Factor Datasets | Calaveras | USA | 0.0071 |
Loggerhead Shrike (Lanius ludovicianus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Territory Size | range of post-breeding territory size | ha | Not Reported | Adult | 21 territories | Archbold Biological Station, Lake Placid | Exposure Factor Datasets | |
| Foraging Distance | 6.5 | maximum distance travelled from a fence post 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 | Error |
|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 5.1 | average number of fledglings per sucessful pair | fledglings/pair | Not Reported | Fledgling | 65 pairs | Ada, Elmoor, Owyhee Counties | Exposure Factor Datasets | 1.5 SD |
| Age at Fledging, Metamorphosis, Weaning | age at which young left nests | d | Not Reported | Fledgling | 65 pairs | Ada, Elmoor, Owyhee Counties | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | average clutch sizes, 2 years | eggs/clutch | Female | Adult | 27-52 pairs/yr | eastern Ontario, Quebec | Exposure Factor Datasets | CANADA | |
| Duration of Incubation or Gestation | 17 | average incubation period, 2 years | d | Not Reported | Embryo | 27-52 pairs/yr | eastern Ontario, Quebec | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
|---|---|---|---|---|
| Time of Migration or Dispersal | review | Exposure Factor Datasets | CANADA, USA | |
| Dietary Composition | review | Exposure Factor Datasets | CANADA, USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Longevity | 12-6 | age of oldest identified banded individual | yr-mo | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Bell's Vireo (Vireo bellii)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 3.39 | mean clutch size (over 2 years) | eggs/clutch | Female | Adult | 33 records | Lawrence | Exposure Factor Datasets |
| Duration of Incubation or Gestation | 14 | d | Not Reported | Embryo | Not Reported | Lawrence | 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 | MEXICO, USA | |
| Time of Molt | 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 | Condition | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | 24 Feb-19 April | Both Male and Female | Adult | Not Reported | Mandarte island | Exposure Factor Datasets | CANADA | |||
| Body Weight - Mean | 3.12 | median egg weight | g | Both Male and Female | Adult | 387 eggs | Mandarte island | Exposure Factor Datasets | breeding | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 15.43 | without suppl. food d 6 | g | Not Reported | Chick | 44 | Exposure Factor Datasets | 6 d | CANADA | |
| Body Weight - Mean | with & without supplemental food | g | Female | Adult | 27 | Exposure Factor Datasets | 56-108 d | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 3.08 | egg mass; no difference between fed and non-fed fenales | g | Female | Adult | 15 fed and 34 non-fed females | Mandarte island | Exposure Factor Datasets | CANADA |
| Survival/ Mortality | 83 | suppl. food; fledgling surviving to independence | % | Both Male and Female | Fledgling | 13 pairs with suppl. food | Mandarte island | Exposure Factor Datasets | CANADA |
| 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 |
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 |
Southwestern Willow Flycatcher (Empidonax traillii ssp. extimus)
| 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 |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Home Range | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | |
| Territory Size | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Least Bell's Vireo (Vireo bellii ssp. pusillus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| Foraging Distance | up to several hundred yards | maximum observed distance travelled by birds from the nest | Both Male and Female | Adult | 32 pairs (1 yr) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Alameda Song Sparrow (Melospiza melodia ssp. pusillula)
| 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 | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|---|
| 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 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 |
| Clutch or Litter Size | 3.3 | mean clutch size | eggs/clutch | Female | Adult | 29 | 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 |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Population Density | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | USA | |
| Time of Mating/ Laying | review | Not Reported | Adult | Not Reported | Exposure Factor Datasets | USA |
| 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 |
| 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 |
American Kestrel (Falco sparverius)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 98 | of chicks that hatched | % | Both Male and Female | Fledgling | 150 | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra |
| 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 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Time of Molt | July-October/November | period of molt | Both Male and Female | Adult | Not Reported | throughout USA | Exposure Factor Datasets | USA | |
| 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 |
|---|---|---|---|---|---|---|---|
| Time of Migration or Dispersal | February (peak) | period of spring 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 | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 4.23 | eggs | Female | Adult | 13 clutches | Berks county | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 5.0 | three year mean fledging rate | number of fledglings per nest | Both Male and Female | Fledgling | 28 pairs | rural and urban lands | Exposure Factor Datasets | Breeding |
| 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 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Growth Rate | 0.239 | growth rate of body weight in parent-reared birds | Female | Nestling | 8 birds | Exposure Factor Datasets | Laboratory | |||
| Body Weight - Mean | 113.4 | average body weight | g | Male | Adult | 25 birds | Exposure Factor Datasets | 2.0 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 89% | mean percent of young hatched that fledged (4 sample years) | % | Not Reported | Juvenile | 148 hatchlings | Lucas and Wayne Counties (40deg57'N, 93deg18'W) | Exposure Factor Datasets |
| 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 | 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 | 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 |
Mourning Dove (Zenaida macroura)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Population Density | 0 to 5 (+/-8) | 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 |
|---|---|---|---|---|---|---|---|---|
| Time of Fledging or Metamorphosis | 15 | age at fledging | d | Both Male and Female | Fledgling | 35 broods | east-central area | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 64.5 | proportion of attempted nests that fledged at least one young | % | Both Male and Female | Adult | 220 nests | Gray Lodge State Refuge | Exposure Factor Datasets | Butte |
| Fledging or Weaning Rate | 6.0-6.2 | mean number of nestlings raised per nesting pair per season (representing multiple broods per season) | Both Male and Female | Adult | 43 pairs | Gray Lodge State Refuge | Exposure Factor Datasets | Butte |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 48% | proportion of nests that were successful | Both Male and Female | Adult | 73 nests | southwest and northeast areas | Exposure Factor Datasets | |
| Fledging or Weaning Rate | 2.1 | mean productivity | young/pair | Both Male and Female | Adult | 73 nests | southwest and northeast areas | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Growth Rate | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA | ||
| Time of Migration or Dispersal | review | time of juvenile dispersal | 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 |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | seeds (96.1%), green vegetation (1.1%), insects (2.8%) | percent of diet by volume based on crop analysis | % | Not Reported | Not Reported | 38 birds | New Mexico State University Ranch | Exposure Factor Datasets |
| Dietary Composition | seeds (99.9%), green vegetation (0.1%) | percent of diet by volume based on crop analysis | % | Not Reported | Not Reported | 42 birds | New Mexico State University Ranch | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 108 | average body weight | g | Not Reported | Not Reported | 11 birds | captured in Santa Monica Mountains | Exposure Factor Datasets | 14.7 | Laboratory |
| Water Ingestion Rate | 6.9 | daily ad libitum water consumption of captive birds as percent of body weight | % body weight/day | Not Reported | Not Reported | 11 birds | captured in Santa Monica Mountains | Exposure Factor Datasets | 0.9 | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | figures | Figures of yearly and monthly nest density estimates | nests/ha | Both Male and Female | Adult | 48-158 transects | near Guanica and Cabo Rojo | Exposure Factor Datasets | PUERTO RICO |
| Fledging or Weaning Rate | 21% | nest success estimate based on Mayfield method | % | Both Male and Female | Adult | 27 nests | near Cidra, Guanica, and Cabo Rojo | Exposure Factor Datasets | PUERTO RICO |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Age at Sexual Maturity | 80-93 | age of puberty attainment | d | Male | Yearling | 79 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 | 111.4 | mean body weight | g | Male | Adult | 13 birds | southeastern area | Exposure Factor Datasets | 70.7 SD |
Burrowing Owl (Athene cunicularia formerly Speotyto cunicularia)
| 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 |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | mammals (414), insects (259), birds (3), spiders (2) | number of prey items found in sample pellets | Both Male and Female | Both Adults and Juveniles | 228 pellets | Crooked River National Grassland | Exposure Factor Datasets |
| Dietary Composition | mammals (50), insects (108), birds (1) | number of prey items found in sample pellets | Both Male and Female | Both Adults and Juveniles | 39 pellets | Crooked River National Grassland | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | mean annual productivity | young/breeding adult | Both Male and Female | Adult | 18 birds | Oakland Airport | Exposure Factor Datasets | |
| Survival/ Mortality | 70 | % | Both Male and Female | Juvenile | 40 birds | 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 | 3.0 | mean number of chicks per nest | chicks/nest | Both Male and Female | Adult | 7 pairs | Shoreline Park | Exposure Factor Datasets | Santa Clara |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error | Lab |
|---|---|---|---|---|---|---|---|---|---|---|
| Inhalation Rate | 3.27 | average resting tidal volume | ml BTPS | Not Reported | Adult | 60 | Exposure Factor Datasets | 0.08 SE | Laboratory | |
| Inhalation Rate | 39.7 | average resting inhalation rate | per minute | Not Reported | Adult | 60 | Exposure Factor Datasets | 1.16 SE | Laboratory |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | vertebrates (14.3%), invertebrates (85.7%) | percent of diet based on pellet analysis | Both Male and Female | Adult | 150 pellets | Malheur county | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|
| Age at Fledging, Metamorphosis, Weaning | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | CANADA, MEXICO, USA |
Great Horned Owl (Bubo virginianus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | wolf spider (1), centipede (2), tarantula (3), grasshopper (1), walking stick (2) | numbers of prey items in stomach contents | Not Reported | Adult | 1 owl | 13 mi NE Fort Davis, Jeff Davis County | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 1.1 | rate of production of young at least 4 weeks old | young/nest | Not Reported | Nestling | 16 nests | Pima and Pinal Counties | Exposure Factor Datasets | breeding |
| 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 |
|---|---|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | Apr 14 | earliest hatching date | Not Reported | Nestling | 4 nests | Jackson Hole | Exposure Factor Datasets | |
| Population Density | 1 | density of nesting pairs | pair/3 mi^2 | Both Male and Female | Adult | 4 nests | Jackson Hole | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Time of Mating/ Laying | Feb 5-15 | peak period of egg laying | Female | Adult | 11-17 nests (3 study years) | southern Green County | Exposure Factor Datasets | |
| 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 | 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 |
Northern Flicker (Colaptes auratus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Duration of Incubation or Gestation | 11 | incubation period | d | Not Reported | Embryo | 1 nest | Asheville, Buncombe County | 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, USA | |
| Time of Mating/ Laying | 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 | 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 |
Bushtit (Psaltriparus minumus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Error |
|---|---|---|---|---|---|---|---|---|---|---|
| Population Density | 71.2 | density estimate on a grazed plot by transect counts using an exponential polynomial model | birds/40 ha | Not Reported | Not Reported | 64 birds | San Joaquin Experimental Range | Exposure Factor Datasets | Madera | 49.6-92.8 95% CI |