Bell's Vireo (Vireo bellii)
Bell's Vireo (Vireo bellii)
Exposure Endpoint Type | Endpoint Value | Units | Life Cycle Stage | Location | Type | Error |
---|---|---|---|---|---|---|
Population Density | 1 | Number of territorial males per 10 ha | Adult | Exposure Factor Datasets | ||
Clutches or Litters per year | 2.02 | Clutches per female | Adult | Exposure Factor Datasets | 0.17 | |
Clutch or Litter Size | 6.49 | Eggs per female | Adult | Exposure Factor Datasets | 0.58 | |
Population Density | 1.06 | Number of territorial males per 10 ha | Adult | Exposure Factor Datasets | ||
Clutches or Litters per year | 1.47 | Clutches per female | Adult | Exposure Factor Datasets | 0.1 | |
Clutch or Litter Size | 4.88 | Eggs per female | Adult | Exposure Factor Datasets | 0.3 | |
Population Density | 1.19 | Number of territorial males per 10 ha | Adult | Exposure Factor Datasets | ||
Clutches or Litters per year | 2.29 | Clutches per female | Adult | Exposure Factor Datasets | 0.37 | |
Clutches or Litters per year | 7.07 | Eggs per female | Adult | Exposure Factor Datasets | 1.17 |
Exposure Endpoint Type | Endpoint Value | Life Cycle Stage | Location | Type |
---|---|---|---|---|
Home Range | See citation text | Both Adults and Juveniles | San Joaquin River National Wildlife Refuge |
Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|
Population Density | 0.01 | NR | Not Reported | NR | Missouri River between Pierre and Mobridge, SD |
Exposure Factor Datasets | USA | 0.01 |
Population Density | 0.02 | NR | Not Reported | NR | Missouri River between Pierre and Mobridge, SD |
Exposure Factor Datasets | USA | 0.02 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Condition |
---|---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | g | Female | Adult | 4 birds | Bloomington | Exposure Factor Datasets | feeding young | |||
Body Weight - Mean | 8.3 | mean body weight | g | Not Reported | Nestling | 3 birds | Bloomington | Exposure Factor Datasets | 6-7 d post-hatch | |
Territory Size | nesting territory size | ac | Both Male and Female | Adult | 5 pairs | Bloomington | Exposure Factor Datasets | |||
Time of Mating/ Laying | May 25, 26 (first clutch); June 10, 17 (second clutch) | initiation dates of first and second clutches | Both Male and Female | Adult | 2 nests | Bloomington | Exposure Factor Datasets | |||
Body Weight - Mean | g | Not Reported | Hatchling | 3 birds | Bloomington | Exposure Factor Datasets | day of hatch | |||
Duration of Incubation or Gestation | Not Reported | Embryo | 3 eggs | Bloomington | Exposure Factor Datasets | |||||
Age at Fledging, Metamorphosis, Weaning | period from hatching to leaving nestd | d | Not Reported | Fledgling | 6 birds | Bloomington | Exposure Factor Datasets | |||
Body Weight - Mean | g | Male | Adult | 3 birds | Bloomington | Exposure Factor Datasets | feeding young |
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 |
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 |
---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA | |
Dietary Composition | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA | |
Territory Size | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA | |
Age at Fledging, Metamorphosis, Weaning | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA | |
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 | |
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 | |
Clutch or Litter Size | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA | |
Fledging or Weaning Rate | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA | |
Hatching Success | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | MEXICO, USA |
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 | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Territory Size | range in sizes of areas used by nesting pairs | ac | Both Male and Female | Adult | 9 pairs | Lawrence | Exposure Factor Datasets | |
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 | |
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 | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Hemiptera (34.43%), Orthoptera (18.52%), Lepidoptera (20.63%), Coleoptera (15.26%), Hymenoptera (6.44%), other insects and spiders (2.71%), vegetable food (0.7%) | percent occurrence of food items in stomachs | Not Reported | Not Reported | 52 stomachs | Exposure Factor Datasets | USA |
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 |
---|---|---|---|---|---|---|---|---|---|
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 | |
Territory Size | nesting territory size | ha | Both Male and Female | Adult | 43-48 pairs (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara | |
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 | |
Fledging or Weaning Rate | percent of nesting pairs that successfully raised at least one young (range over two years) | % | Both Male and Female | Adult | 43-48 pairs (2 yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara | |
Hatching Success | range in proportions of total eggs hatching vs. total eggs laid (for two years) | eggs hatched/eggs produced | Not Reported | Hatchling | 238-262 eggs (two yrs) | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara | |
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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 63 | percent of birds that successfully fledged one young | % | Male | Adult | 98 birds | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Fledging or Weaning Rate | 66 | percent of birds that successfully fledged one young | % | Female | Adult | 98 birds | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Survival/ Mortality | 48/312 | proportion of young banded as nestlings or fledglings returning to study area in subsequent yrs | birds returning/birds banded | Both Male and Female | Juvenile | 312 birds | Gibraltar Reservoir | Exposure Factor Datasets | Santa Barbara |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | review | historical and recent population data | Not Reported | Adult | Not Reported | Exposure Factor Datasets | |
Fledging or Weaning Rate | review | reproductive success data | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | number of singing males per linear km of suitable habitat | birds/km | Male | Adult | 8 survey sites | various CA locations | Exposure Factor Datasets | |
Fledging or Weaning Rate | 21 | percent of active nests that fledged at least one young | % | Both Male and Female | Adult | 14 nests | various CA locations | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | approx. 15 | incubation period up to time of pipping | d | Not Reported | Embryo | 8 eggs | Exposure Factor Datasets | Laboratory |