Fledgling
Birds, Terrestrial birds, Passeriformes, American Robin (Turdus migratorius)
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
PCB | Orchard/sprayed: 78.9; non-orchard/non-sprayed: 68.4 % fledged/brood | Fledge rate | B | Fledgling | Orchard/sprayed: 90; non-orchard/non-sprayed: 42 | Okanagan Valley | Toxicity Factor Datasets | CANADA |
ORGANOCHLORINES | Orchard/sprayed: 78.9; non-orchard/non-sprayed: 68.4 % fledged/brood | Fledge rate | B | Fledgling | Orchard/sprayed: 90; non-orchard/non-sprayed: 42 | Okanagan Valley | Toxicity Factor Datasets | CANADA |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
PCB | 2.2-3.2 fledgling per nest | Fledgling success | B | Fledgling | NR | Housatonic River | Toxicity Factor Datasets | USA |
PCB | 26% | Mayfield nest success | B | Fledgling | NR | Housatonic River | Toxicity Factor Datasets | USA |
American Robin (Turdus migratorius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 2.63 | Offspring fledged per nest | Fledges/nest | Fledgling | 27 clutches | University of British Columbia | Exposure Factor Datasets | CANADA | 1.13 |
Fledging or Weaning Rate | 86.6 | Egg-to-fledgling success rate | % | Fledgling | 27 clutches | University of British Columbia | Exposure Factor Datasets | CANADA | |
Survival/ Mortality | 1.2 | Nestling to fledgling mortality | % | Fledgling | 27 clutches | University of British Columbia | Exposure Factor Datasets | CANADA | |
Survival/ Mortality | 100 | Nestling to fledgling mortality | % | Fledgling | 8 clutches | University of British Columbia | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.5 | Average young fledged/nest | Young fledged/nest | Fledgling | Exposure Factor Datasets | USA |
Snowy Egret (Egretta thula)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 1989: 0.553, 1990: 0.335 | Fledgling success | % hatched of total laid | Fledgling | 1989: 80, 1990: 96 nests | San Francisco Bay Area: Bair Island | Exposure Factor Datasets | USA |
Survival/ Mortality | 1989: 0.626, 1990: 0.587 | Fledgling success | % hatched of total laid | Fledgling | 1989: 110, 1990: 116 nests | San Francisco Bay Area: West Marin Island | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | Central San Francisco Bay: 2.18, Outer Coast-a: 1.82, Outer coast-b: 1.75, San Pablo Bay-a: 2.49, San Pablo Bay-b: 2.46, Russian River-a: 2.37, Russian River-b: 2.38 | Mean young fledged in successful nests | Fledglings | Fledgling | Central San Francisco Bay: 35, Outer Coast-a: 38, Outer coast-b: 15, San Pablo Bay-a: 160, San Pablo Bay-b: 103, Russian River-a: 97, Russian River-b: 53 | San Francisco bay area | Exposure Factor Datasets | USA | Central San Francisco Bay: 0.135, Outer Coast-a: 0.076, Outer coast-b: 0.086, San Pablo Bay-a: 0.059, San Pablo Bay-b: 0.046, Russian River-a: 0.060, Russian River-b: 0.048 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
2.8 | Mean fledged/successful nest | No. young fledged/nest | Fledgling | 2008: 25, 2009: 36 nests | NE South Dakota | Exposure Factor Datasets | USA | 0.11 | |
2.8 | Mean fledged/successfully fledged nest | No. young fledged/nest | Fledgling | 2008: 25, 2009: 36 nests | NE South Dakota | Exposure Factor Datasets | USA | 0.09 | |
Hatching Success | 2008: 87.5, 2009: 77.8 | Fledge success | % | Fledgling | 2008: 25, 2009: 36 nests | NE South Dakota | Exposure Factor Datasets | USA | |
Hatching Success | 2.3 | Mean fledged/nest | No. young fledged/nest | Fledgling | 2008: 25, 2009: 36 nests | NE South Dakota | Exposure Factor Datasets | USA | 0.16 |
Ashy Storm Petrel (Oceanodroma homochroa)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries |
---|---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | >76 | Days post hatch | Days | NR | Fledgling | 1 | Anacapa Islands | Exposure Factor Datasets | Ventura | USA |
Peregrine Falcon (Falco peregrinus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1998: 1.4, 1999: 2.91, 2000: 2.54, 2001: 2.48, 2002: 2.48, 2003: 2.75 | Mean number fledglings/breeding pair | Mean number fledglings/breeding pair | Fledgling | 1998: 11, 1999: 12, 2000: 13, 2001: 22, 2002: 29, 2003: 34 | Biskaia | Exposure Factor Datasets | SPAIN |
Fledging or Weaning Rate | 1998: 2, 1999: 2.91, 2000: 2.5, 2001: 2.89, 2002: 2.71, 2003: 3.21 | Mean number fledglings/successful breeding pair | Mean number fledglings/successful breeding pair | Fledgling | 1998: 11, 1999: 12, 2000: 13, 2001: 22, 2002: 29, 2003: 34 | Biskaia | Exposure Factor Datasets | SPAIN |
Fledging or Weaning Rate | 1998: 1.27, 1999: 2.67, 2000: 2.31, 2001: 2.36, 2002: 1.96, 2003: 2.41 | Mean number fledglings/territorial pair | Mean number fledglings/territorial pair | Fledgling | 1998: 11, 1999: 12, 2000: 13, 2001: 22, 2002: 29, 2003: 34 | Biskaia | Exposure Factor Datasets | SPAIN |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | 42 | Days posthatch | d | Fledgling | Tsimanampetsotsa | Exposure Factor Datasets | MADAGASCAR |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.78 | mean number of fledglings per nest | fledglings/nest | Both Male and Female | Fledgling | 18 clutches | Exposure Factor Datasets |
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 |
Snowy Plover (Charadrius nivosus)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Location | Type | California Counties | Countries |
---|---|---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | 28 d posthatch | d posthatch | B | Fledgling | Exposure Factor Datasets | Humboldt | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | Review | d posthatch | Fledgling | Exposure Factor Datasets | USA | ||
Survival/ Mortality | Review | Percent mortality | % | Fledgling | Exposure Factor Datasets | USA | |
Survival/ Mortality | Review | Timing of mortality | d posthatch | Fledgling | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries |
---|---|---|---|---|---|---|---|---|---|
Hatching Success | 1994: 0.42, 1995: 0.45, 1996: 0.33, 1997: 0.48, 1998: 0.46 | Fledglings/nest | B | Fledgling | 801 nests | Exposure Factor Datasets | San Diego | USA |
Loggerhead Shrike (Lanius ludovicianus)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 3.6 | B | Fledgling | 459 nesting attempts; 98 individuals | Exposure Factor Datasets | CANADA | 1.5 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 4.6 | Number fledged per successful nest | B | Fledgling | 67 | Kirkland Airfore Base | Exposure Factor Datasets | USA | 0.4 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1991: 3.9, 1992: 4.2 | Number fledged per successful nest | B | Fledgling | 1991: 27, 1992: 50 breeding pairs | Three sites in southern Ontario | Exposure Factor Datasets | Breeding | CANADA | 1991: 0.3, 1992: 0.3 |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|
Fledging or Weaning Rate | Roadside nests: 55.3%, interior nests: 79.2% | B | Fledgling | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 60 | average percent of nests that fledged at least 1 young, 4 years | % | Not Reported | Fledgling | 133 pairs | Lawton, Comanche County | Exposure Factor Datasets |
Age at Fledging, Metamorphosis, Weaning | 16.8 | d | Not Reported | Fledgling | 28 nests | Lawton, Comanche County | Exposure Factor Datasets | |
Survival/ Mortality | 46 | calculated probability of survival of any nest from incubation onset to end of fledging | % | Not Reported | Fledgling | 109 nests | Lawton, Comanche County | 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 Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | d | Not Reported | Fledgling | 27-52 pairs/yr | eastern Ontario, Quebec | Exposure Factor Datasets | CANADA | |
Fledging or Weaning Rate | average number of young surviving to fledge per nest, 2 years | fledglings/nest | Not Reported | Fledgling | 27-52 pairs/yr | eastern Ontario, Quebec | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.1 | mean number of fledglings produced per nesting attempt | fledglings/nest | Not Reported | Fledgling | 24 clutches | Archbold Biological Station, Highlands County | Exposure Factor Datasets |
Northern Flicker (Colaptes auratus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | See citation Table 2 | Number of fledglings produced by each female of a group | B | Fledgling | Central Brazil | Exposure Factor Datasets | BRAZIL |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|
Foraging Distance | 4th d post-fledge: 50, 18th d: 592 | Distance traveled by fledglings | m | B | Fledgling | Risk Creek, British Columbia (51⁰52'N, 122⁰21'W) |
Exposure Factor Datasets | CANADA | 4th d post-fledge: 232, 18th d: 353 |
Survival/ Mortality | 0.994 | Modeled daily survival over 22 d | B | Fledgling | Risk Creek, British Columbia (51⁰52'N, 122⁰21'W) |
Exposure Factor Datasets | CANADA | 0.004 |
Least Tern (Sterna antillarum)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | 0.14-0.74 | Fledging success | Number of fledgings/number of hatched chicks | NR | Fledgling | Towsn of Wells & Kennebunk | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | See citation Figure 2 | Young fledged | NR | Fledgling | See citation | Gibson Generating Station, Gibson County | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | 43-62% | Fledging success | NR | Fledgling | 110 | Lower Mississippi River | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Hatching Success | 0-1.4 | Chicks fledged/pair | NR | Fledgling | 110 | Lower Mississippi River | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Type | Countries |
---|---|---|---|---|---|---|---|
Hatching Success | 0.59 | Fledglings/pair | NR | Fledgling | Arkansas River at Tulsa | Exposure Factor Datasets | USA |
Hatching Success | 0.67 | Fledglings/pair | NR | Fledgling | Arkansas River at Tulsa | Exposure Factor Datasets | USA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 76.8 | estimated survival rate of banded juveniles | % | Not Reported | Fledgling | Not Reported | Aransas and San Patricio Counties | Exposure Factor Datasets | 2.0 2SE |
Fledging or Weaning Rate | estimated fledgling production among 4 colonies | fledglings/breeding pairs | Not Reported | Fledgling | 26-140 pairs/colony | Aransas and San Patricio Counties | Exposure Factor Datasets |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Vertebrates (29.1 %) Arthropods (70.9 %) | Frequency determined by pellet analysis | Frequency, % | Fledgling | 19 fledglings | Parque Luro Reserve | Exposure Factor Datasets | ARGENTINA |
Dietary Composition | Vertebrates (11.2 %) Arthropods (88.8 %) | Frequency determined by prey remains | Frequency, % | Fledgling | 19 fledglings | Parque Luro Reserve | Exposure Factor Datasets | ARGENTINA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | d | Both Male and Female | Fledgling | Not Reported | Sagehen Creek Field Station | Exposure Factor Datasets | Nevada, Sierra | ||
Fledging or Weaning Rate | 98 | of chicks that hatched | % | Both Male and Female | Fledgling | 150 | 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 | Lab |
---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 28.4 | mean nestling period | d | Both Male and Female | Fledgling | 29 chicks | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | 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 | ||
Fledging or Weaning Rate | 3.7 | fledged/successful nest | Both Male and Female | Fledgling | 30 nests | Great Basin (1260-2340 m) | Exposure Factor Datasets | Lassen | |
Fledging or Weaning Rate | 3.1 | fledged/active nest | Both Male and Female | Fledgling | 36 nests | Great Basin (1260-2340 m) | Exposure Factor Datasets | Lassen | |
Time of Fledging or Metamorphosis | July 29 | median fledging date | Both Male and Female | Fledgling | 27 pairs | Great Basin (elev. 1260-2340 m) | Exposure Factor Datasets | Lassen |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 4.0 | average number of young fledged | fledges/nest | Not Reported | Fledgling | 4 nests | Hanford Site, Benton and Franklin Counties | Exposure Factor Datasets | 0.41 |
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 |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties | Countries | Lab |
---|---|---|---|---|---|---|---|---|---|---|
HEXABROMOCYCLODODECANE (HBCDD) | No effect | Fledging success | NR | Fledgling | 29 | Toxicity Factor Datasets | Lab | CANADA | Laboratory | |
BRODIFACOUM | Bird 1: 24, bird 2: 190 µg/kg | Nontarget poisoning | NR | Fledgling | 2 | Toxicity Factor Datasets |
California Brown Pelican (Pelecanus occidentalis ssp. californicus)
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-) | increased compared to positive control (1969 data) | mean number of fledglings produced per nest in 1974 | Both Male and Female | Fledgling | 1286 nests | Anacapa Island and Isla Coronado Norte | Toxicity Factor Datasets |
Exposure Endpoint Type | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Fledging or Weaning Rate | range of mean fledging rates (number of fledglings per built nest) over a 6 year period | Not Reported | Fledgling | 76-1258 nests/year | West Anacapa Island | Exposure Factor Datasets |
Fledging or Weaning Rate | range of mean fledging rates (number of fledglings per built nest) over a 6 year period | Not Reported | Fledgling | 76-1258 nests/year | Isla Coronado Norte | Exposure Factor Datasets |
Mourning Dove (Zenaida macroura)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
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 |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 49.4% | proportion of active nests that successfully fledged young | Both Male and Female | Fledgling | 524 nests | Prairie Island Nuclear Generating Plant | Exposure Factor Datasets |
Fledging or Weaning Rate | 1.8 | mean number of young fledged per successful nest | Both Male and Female | Fledgling | 358 nests | Prairie Island Nuclear Generating Plant | 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 | 1.87 | average number of fledglings per successful nest | fledglings/nest | Not Reported | Fledgling | 185 successful nests | near Bakersfield | Exposure Factor Datasets | Kern |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.8 | average number of fledglings produced per successful nest | fledglings/nest | Not Reported | Fledgling | 1108-1443 nests/year | Lewis, Cass County | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | 12-13 | age at which young leave nest | d | Both Male and Female | Fledgling | Not Reported | Gray Lodge State Refuge | Exposure Factor Datasets | Butte |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | d | Not Reported | Fledgling | 136 nests | near Auburn | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 0.8 | mean number of young fledged per nesting attempt | Both Male and Female | Fledgling | 123 nests | Rufus Woods Lake area | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 79.0 | average body weight | g | Not Reported | Fledgling | 15 nests | near Orondo, Douglas County | Exposure Factor Datasets | 14 days |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
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 | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 6.7 | mean number of fledglings produced per adult female | fledglings/female | Both Male and Female | Fledgling | 7 marked pairs | Texas A&M College campus | Exposure Factor Datasets |
Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 16% | Percent of nests that fledged young | Not Reported | Fledgling | 19 nests | Kern River Preserve | Exposure Factor Datasets | Kern |
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 |
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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | 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 | |
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 | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 56.3% | percent of unparasitized nests with at least one fledgling | Not Reported | Fledgling | 16 nests | Illinois River, Arapahoe National Wildlife Refuge (elev. 2,500 m) | Exposure Factor Datasets |
Fledging or Weaning Rate | 18.2% | percent of parasitized nests with at least one fledgling | Not Reported | Fledgling | 11 nests | Illinois River, Arapahoe National Wildlife Refuge (elev. 2,500 m) | Exposure Factor Datasets |
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 |
Western Snowy Plover (Charadrius nivosus ssp. nivosus formerly Charadrius alexandrinus ssp. nivosus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 1.64 | number of chicks fledged per successful brood (for one year) | fledglings/brood | Not Reported | Fledgling | 22 nests | Mono Lake (elev. 1,940 m) | Exposure Factor Datasets | Mono |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | California Counties |
---|---|---|---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | 30.9 | fledging period, measured from hatch to first flight of at least 3 m | d | Not Reported | Fledgling | 22 birds | Pajaro River Mouth | Exposure Factor Datasets | Monterey |
Fledging or Weaning Rate | percent of hatched chicks that fledged (over 6 years) | d | Not Reported | Fledgling | 296 chicks | Pajaro River Mouth | Exposure Factor Datasets | Monterey |
Song Sparrow (Melospiza melodia)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|---|
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 |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 3.88 | mean number of young fledged per successful nest | fledglings/nest | Both Male and Female | Fledgling | 32 nests | southwestern Ontario | Exposure Factor Datasets | CANADA | 1.22 |
Southwestern Willow Flycatcher (Empidonax traillii ssp. extimus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Time of Fledging or Metamorphosis | June 29 (earliest fledging) - July 13 (latest fledging) | dates of earlies and latest recording fledging | Both Male and Female | Fledgling | 17 nest attempts (in 5 sample years) | Colorado River | 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 |
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 |
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | period from hatching to leaving nestd | d | Not Reported | Fledgling | 6 birds | Bloomington | Exposure Factor Datasets |
Great Horned Owl (Bubo virginianus)
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 |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.67 | average number of young fledged | fledglings/nest | Not Reported | Fledgling | 12 nests | Hanford Site, Benton and Franklin Counties | Exposure Factor Datasets | 1.09 |
Brown Pelican (Pelecanus occidentalis)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Age at Fledging, Metamorphosis, Weaning | range of mean fledging ages over four years | days | Not Reported | Fledgling | 7-12 birds/year | Tarpon Key | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.3 | fledging rate among successful nests | fledglings/nest | Both Male and Female | Fledgling | 32 nests | St. Lawrence estuary | Exposure Factor Datasets | CANADA | 0.2 |
San Clemente Loggerhead Shrike (Lanius ludovicianus ssp. mearnsi)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Fledging or Weaning Rate | 2.33 | mean number of fledglings produced per successful nest | fledglings/nest | Not Reported | Fledgling | 29 nests | San Clemente Island | Exposure Factor Datasets | 0.34 SD |
Survival/ Mortality | 45 | percent of fledglings that died before reaching independence from parents | % | Not Reported | Fledgling | 29 nests | San Clemente Island | Exposure Factor Datasets |