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Athene cunicularia

Citation:

Behavior and ecology of burrowing owls on the Oakland Municipal Airport

Author(s)
Thomsen, Lise
Pages
177-192
Year
Volume
73
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Dietary Composition mammals (35.7%), birds (1.3%), insects (27.7%), vegetation (57.4%) mean percent occurrence in pellets Both Male and Female Not Reported Oakland Airport 929 pellets Exposure Factor Datasets
Body Weight - Mean 172.0 145.0-191.3 g Male Not Reported Oakland Airport 12 birds Exposure Factor Datasets
Body Weight - Mean 168.0 125.6-210.0 g Female Not Reported Oakland Airport 10 birds Exposure Factor Datasets
Territory Size 1.98 0.1-4.0 ac Both Male and Female Adult Oakland Airport 6 pairs Exposure Factor Datasets
Clutch or Litter Size mean annual productivity 1.7-2.2 young/breeding adult Both Male and Female Adult Oakland Airport 18 birds Exposure Factor Datasets
Survival/ Mortality 70 % Both Male and Female Juvenile Oakland Airport 40 birds Exposure Factor Datasets
Survival/ Mortality 19 % Both Male and Female Adult Oakland Airport 18 birds Exposure Factor Datasets
Survival/ Mortality 18 % Both Male and Female Nestling Oakland Airport 40 birds Exposure Factor Datasets
Time of Migration or Dispersal Sep, Jan Both Male and Female Juvenile Oakland Airport Not Reported Exposure Factor Datasets
Time of Molt Jul (begin) Both Male and Female Adult Oakland Airport Not Reported Exposure Factor Datasets
Fledging or Weaning Rate proportion of nesting pairs that successfully fledged young (over two years) 53.3-88.8 % Both Male and Female Adult Oakland Airport 18 birds Exposure Factor Datasets
Time of Nesting April - June Both Male and Female Adult Oakland Airport 18 birds Exposure Factor Datasets
Time of Fledging or Metamorphosis September period by which fledging is complete Both Male and Female Adult Oakland Airport 18 birds Exposure Factor Datasets
Citation:

Nest site characteristics and reproductive success of burrowing owls (Strigiformes: Strigidae) in Durango, Mexico

Author(s)
Rodriguez-Estrella, Ricardo and Alfredo Ortega-Rubio
Pages
143-148
Year
Issue
1
Volume
41
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density nesting density based on nearest-neighbor test 0.12-0.15 pairs/km2 Both Male and Female Adult Mapimf Biosphere Reserve, Durango (1,000-1,350 m) 23-29 pairs Exposure Factor Datasets
Fledging or Weaning Rate 1.91 1.63-2.19 fledglings/successful nest Both Male and Female Adult Mapimf Biosphere Reserve, Durango (1,000-1,350 m) 52 nests Exposure Factor Datasets
Hatching Success 61 proportion of pairs that successfully raised at least one young 55-65 % Both Male and Female Adult Mapimf Biosphere Reserve, Durango (1,000-1,350 m) 52 nests Exposure Factor Datasets
Citation:

Reproductive ecology of the burrowing owl, Athene cunicularia floridana, in Dade and Broward counties, Florida

Author(s)
Mealey, B.K.
Year
Issue
1
Volume
27
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Hatching Success reproductive success rate among pairs 40-54 % Both Male and Female Adult Dade and Broward counties Not Reported Exposure Factor Datasets
Citation:

Comparison of selected aspects of burrowing owl ecology at two sites in Santa Clara county, California

Author(s)
Trulio, L.A.
Pages
63-64
Year
Issue
1
Volume
27
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Hatching Success 73 percent of pairs hatching at least one chick % Both Male and Female Adult Moffett Air Force Base 15 pairs Exposure Factor Datasets
Clutch or Litter Size 2.5 mean number of chicks per nest chicks/nest Both Male and Female Adult Moffett Air Force Base 11 pairs Exposure Factor Datasets
Hatching Success 78 percent of pairs hatching at least one chick % Both Male and Female Adult Shoreline Park 9 pairs Exposure Factor Datasets
Clutch or Litter Size 3.0 mean number of chicks per nest chicks/nest Both Male and Female Adult Shoreline Park 7 pairs Exposure Factor Datasets

Anas platyrhynchos

Citation:

Production of mallards on irrigated land in the Sacramento Valley

Author(s)
Earl, John P.
Pages
23
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Territory Size 70 mean length of drainage ditch (5 ft wide) defended 48-95 yd Male Adult Conaway Ranch 8 ducks Exposure Factor Datasets
Time of Hatching or Parturition May 16-29 peak hatching period Both Male and Female Hatchling Conaway Ranch Not Reported Exposure Factor Datasets
Population Density 396 breeding density pairs/18000 acres Both Male and Female Adult Conaway Ranch 396 pairs Exposure Factor Datasets
Time of Nesting April-June time from earliest clutch laid to last clutch hatched Female Adult Conaway Ranch Not Reported Exposure Factor Datasets
Hatching Success 52 proportion of nests that hatched at least one egg % Female Adult Conaway Ranch 60 nests Exposure Factor Datasets
Clutch or Litter Size 8.37 mean clutch size 7-10 eggs Female Adult Conaway Ranch 40 nests Exposure Factor Datasets
Population Density 0.72 ducks/acre Both Male and Female Both Adults and Juveniles Conaway Ranch Not Reported Exposure Factor Datasets

Rallus longirostris ssp. obsoletus

Citation:

Breeding biology of the California clapper rail in South San Francisco Bay

Author(s)
Harvey, Thomas E.
Pages
98-104
Year
Volume
24
Exposure Endpoint Type Endpoint Value Endpoint Description Error Range Units Sex Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 7.27 mean clutch size 0.96 SD 6-9 Female Adult south San Francisco Bay 26 nests Exposure Factor Datasets
Duration of Incubation or Gestation 24.2 mean incubation period 22-29 d Both Male and Female Embryo south San Francisco Bay 5 nests Exposure Factor Datasets
Hatching Success 56% proportion of nests in which at least one egg hatched Both Male and Female Hatchling south San Francisco Bay 50 nests Exposure Factor Datasets
Time of Mating/ Laying late March beginning of lay Both Male and Female Hatchling south San Francisco Bay Not Reported Exposure Factor Datasets
Population Density 1.47 mean breeding density based on rope drag and call count data birds/ha Both Male and Female Adult south San Francisco Bay-Dumbarton Point 68 ha Exposure Factor Datasets
Population Density 0.89 mean breeding density based on rope drag and call count data birds/ha Both Male and Female Adult south San Francisco Bay - Mowry Slough 117 ha Exposure Factor Datasets
Population Density 0.69 mean breeding density based on rope drag and call count data birds/ha Both Male and Female Adult south San Francisco Bay - Ideal Marsh 55 ha Exposure Factor Datasets

Rallus longirostris ssp. levipes

Citation:

Movements and activity patterns of the light-footed clapper rail

Author(s)
Zembal, Richard, Barbara W. Massey and Jack M. Fancher
Pages
39-42
Year
Issue
1
Volume
53
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Home Range 0.81 mean home range size of radiotagged and untagged birds 0.36-1.66 ha Both Male and Female Adult upper Newport Bay 9 radiotagged birds Exposure Factor Datasets

Sturnella neglecta

Citation:

Prey choice by three insectivorous grassland birds: Reevaluating opportunism

Author(s)
Kaspari, Michael and Anthony Joern
Pages
414-430
Year
Volume
68
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Dietary Composition Acridid, adult Coleoptera, Tettigoniid, larval Lepidoptera, Hymenoptera, Other, Hemipteran, spider percent of arthropod taxa in the diet, listed in order of decreasing frequency Not Reported Adult Arapaho Prairie 95 birds Exposure Factor Datasets
Citation:

Repertoires, territory size and mate attraction in western meadowlarks

Author(s)
Aweida, Maria Klemperer
Pages
1080-1083
Year
Volume
97
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Territory Size 12,406.8 average territory size in mated birds m^2 Male Adult Boulder 17 birds Exposure Factor Datasets
Territory Size 3,228.1 average territory size of unmated birds m^2 Male Adult Boulder 7 birds Exposure Factor Datasets
Citation:

Meadowlarks feeding on roadkills

Author(s)
Hubbard, John P. and Claudia L. Hubbard
Pages
107-108
Year
Issue
1
Volume
81
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Dietary Composition mourning dove item found in stomach analysis Not Reported Not Reported New Mexico State Hwy 26 1 bird Exposure Factor Datasets
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