Passeriformes
Southwestern Willow Flycatcher (Empidonax traillii ssp. extimus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
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 | |
Time of Nesting | June 2-July 10 | estimated length of breeding season (period when eggs or young are in the nest) | 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 |
---|---|---|---|---|---|---|
Territory Size | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | |
Clutch or Litter 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 | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
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 |
Time of Migration or Dispersal | mid Jul to early Sep | period of departure from the breeding area by migrants | Both Male and Female | Both Adults and Juveniles | Not Reported | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Hatching Success | range of hatching success | eggs/nest | Not Reported | Hatchling | 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 |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 29% | total egg-to-fledgling success rate | Not Reported | Fledgling | 5 nests | Perazzo Meadows, Lacey Valley (32 km NW of Truckee) | Exposure Factor Datasets | Sierra | |
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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.325 | predicted daytime basal metabolic rate | W | Not Reported | Adult | Not Reported | collection location George E. Hudson Biological Reserve, Whitman County | Exposure Factor Datasets | Laboratory |
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 | 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 |
Bushtit (Psaltriparus minumus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 13 | incubation period from start to hatching | d | Not Reported | Embryo | 1 clutch | Stanford University Campus | Exposure Factor Datasets | Santa Clara |
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 | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Clutches or Litters per year | clutches/yr | Both Male and Female | Adult | 49 nests | York County | Exposure Factor Datasets | |||
Fledging or Weaning Rate | 4.7 | average number of fledglings produced per successful nest, 2 years | fledglings/nest | Not Reported | Fledgling | 32 nests | York County | Exposure Factor Datasets | 1.3 SD |
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 |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 3.02 | average number of fledglings produced per nesting attempt | fledglings/nest | Not Reported | Fledgling | 60 nesting attempts | southern Minnesota | Exposure Factor Datasets | 2.07 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Orthoptera (59); Lepidoptera (15); Coleoptera (10); arthropod larvae (8); mammals; reptiles and amphibians (4); unident. arthropods (3) | percent of total identified prey items delivered to the nest | % | Not Reported | Nestling | 1 pair, 155 identified prey | York County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Apr-mid Aug | period from clutch initiations to chicks fledging | Both Male and Female | Adult | 98 pairs | Ada, Elmoor, Owyhee Counties | Exposure Factor Datasets |
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Longevity | 6 -11 | age of oldest identified banded individual | yr-mo | Not Reported | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Territory Size | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Mating/ Laying | early Feb.-July | Both Male and Female | Adult | Not Reported | California to Washington | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.98 | young raised to independence | young/pair | Not Reported | Chick | 34 nests | Mandarte Island | Exposure Factor Datasets | CANADA | 0.17 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 3.31 | suppl. food | eggs/clutch | Both Male and Female | Adult | 16 pairs with suppl. food | Mandarte island | Exposure Factor Datasets | CANADA | 0.11 SE |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 29.4% | proportion of successful nests containing unhatched eggs | % | Both Male and Female | Both Adults and Juveniles | 32 nests | southwestern Ontario | Exposure Factor Datasets | CANADA |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | observed number of days chicks spent in nest | d | Not Reported | Fledgling | Not Reported | Exposure Factor Datasets |
San Pablo Song Sparrow (Melospiza melodia ssp. samuelis)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | mortality of young birds based on number of eggs/season; in relation to high tides | % | Not Reported | Chick | 349 eggs | San Pablo Marsh | Exposure Factor Datasets | Contra Costa |