Terrestrial birds
Great Horned Owl (Bubo virginianus)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|---|
| Longevity | 28+ | age at time of death | yr | Female | Adult | 1 bird | Asiniboine Park Zoo, Winnipeg | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | unident. snake (0.3%), Sylvilagus nuttallii (19.2%), Lepus californicus (14.3%), unident. leporid (16.1%), Spermophilus townsendii (0.6%), Thomomys townsendii (14.6%), Perognathus parvus (0.4%), Dipodomys ordii (11.1%), Reithrodontomys megalotis (0.2%), Peromyscus spp (2.3%), Neotoma cinerea (4.6%), Neotoma lepida (2.0%), unident. woodrat (0.3%), Microtus montanus (4.7%), Mus musculus (0.7%), Mustela frenata (0.1%), Falco sparverius (0.1%), Phasianus colchicus (1.9%), Callipepla californicus (0.1%), unident. galliform (0.4%), Fulica americana (0.4%), Columba livia (0.9%), Tyto alba (0.3%), Sturnus vulgaris (0.2%), unident. passerine (0.6%), unident. bid (3.4%) | occurence in diet as percent of total prey biomass, based on pellet analysis | Not Reported | Not Reported | 14 nesting areas, 1472 prey items | Snake River Birds of Prey National Conservation Area (42 deg, 50'N, 115 deg, 50'W) | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|
| Home Range | home range size (minimum convex polygon model) as determined by radiotelemetry | ha | Not Reported | Not Reported | 22 owls | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 31% | mean annual mortality after the first year of banding based on band return data, 1951-1962 | Not Reported | Both Adults and Juveniles | 97 birds | Exposure Factor Datasets | CANADA, USA |
Northern Flicker (Colaptes auratus)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of clutch sizes | eggs/clutch | Female | Adult | 191 clutches | Exposure Factor Datasets | USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Dietary Composition | animal food (67.71%), vegetable food (32.26%) | percent composition of stomach contents | Not Reported | Not Reported | 183 birds | Exposure Factor Datasets | CANADA, USA |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 7.44 | mean clutch size | eggs/clutch | Female | Adult | 9 pairs | near New Concord | Exposure Factor Datasets | 2.24 SD |
Willow Flycatcher (Empidonax traillii)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | range of clutch sizes | eggs | Female | Adult | 6 nests | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 1.3 | average number of fledglings per nest | fledglings/nest | Not Reported | Fledgling | 11 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra | 1.3 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | 13.2 | mean body weight during breeding season | g | Female | Adult | 5 birds | collection location George E. Hudson Biological Reserve, Whitman County | Exposure Factor Datasets | Laboratory |
Bushtit (Psaltriparus minumus)
| Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
|---|---|---|---|---|---|---|---|---|
| Territory Size | approximate range of nesting territory diameters | yd | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.3 | mean clutch size, 2 years | eggs/clutch | Female | Adult | 20 nests | York County | Exposure Factor Datasets | 0.6 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Fledging or Weaning Rate | 5.40 | average number of fledglings produced per nest | fledglings/nest | Not Reported | Fledgling | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 5.65 | average clutch size, 2 years | eggs/clutch | Female | Adult | 46 clutches | southern Minnesota | Exposure Factor Datasets | 1.17 SD |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
|---|---|---|---|---|---|---|---|---|---|
| Territory Size | 8.35 | mean territory size in pasture habitat | ha | Both Male and Female | Adult | 6 territories | Archbold Biological Station near Lake Placid | Exposure Factor Datasets | 0.66 SD |
| Exposure Endpoint Type | Endpoint Value | Location | Type | Countries |
|---|---|---|---|---|
| Fledging or Weaning Rate | 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 |
|---|---|---|---|---|---|---|---|---|
| Hatching Success | 84 | percent of eggs hatched of total number 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 |
|---|---|---|---|---|---|---|---|
| Time of Migration or Dispersal | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Survival/ Mortality | 80-85 | 1 year or younger | % | Both Male and Female | Adult | Not Reported | San Pablo Marsh; San Francisco Bay | Exposure Factor Datasets | Contra Costa |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries | Error |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 1.64 | no supplemental food | young/nest | Not Reported | Chick | 44 nests | Mandarte Island | Exposure Factor Datasets | 6 d | CANADA | 0.13 |
| Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
|---|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | 2-3 | broods/year | Not Reported | Adult | Not Reported | Mandarte island | Exposure Factor Datasets | CANADA |
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
|---|---|---|---|---|---|---|---|
| Body Weight - Mean | see table 1 | Not Reported | Nestling | 6-33 nestlings | San Miguel Island | Exposure Factor Datasets | 0-11 days |
Western Meadowlark (Sturnella neglecta)
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|---|---|
| Hatching Success | 3 | estimated average brood size | young/clutch | Not Reported | Juvenile | Not Reported | Exposure Factor Datasets |
Southwestern Willow Flycatcher (Empidonax traillii ssp. extimus)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Time of Hatching or Parturition | review | Not Reported | Not Reported | Not Reported | 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 |
|---|---|---|---|---|---|---|---|---|
| Population Density | range of nesting density over two years | pairs/243 ha | Both Male and Female | Adult | 43-48 pairs (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Suisun Song Sparrow (Melospiza melodia ssp. maxillaris)
| Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
|---|---|---|---|---|---|---|
| Home Range | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
