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

Author(s)
Harvey, Thomas E.
Year
Article Title
Breeding biology of the California clapper rail in South San Francisco Bay
Volume
24
Pages
98-104
Start Page Number
98
Final Page
104
Review

Datapoints

Displaying 1 - 7 of 7 datapoints.
Species: California Clapper Rail (Rallus longirostris ssp. obsoletus)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location Range California Counties Type
Clutch or Litter Size mean clutch size 7.27 26 nests Adult south San Francisco Bay 6-9 Alameda Exposure Factor Datasets
Duration of Incubation or Gestation mean incubation period 24.2 5 nests d Embryo south San Francisco Bay 22-29 Alameda Exposure Factor Datasets
Hatching Success proportion of nests in which at least one egg hatched 56% 50 nests Hatchling south San Francisco Bay Alameda Exposure Factor Datasets
Time of Mating/ Laying beginning of lay late March Not Reported Hatchling south San Francisco Bay Alameda Exposure Factor Datasets
Population Density mean breeding density based on rope drag and call count data 1.47 68 ha birds/ha Adult south San Francisco Bay-Dumbarton Point Alameda Exposure Factor Datasets
Population Density mean breeding density based on rope drag and call count data 0.89 117 ha birds/ha Adult south San Francisco Bay - Mowry Slough Alameda Exposure Factor Datasets
Population Density mean breeding density based on rope drag and call count data 0.69 55 ha birds/ha Adult south San Francisco Bay - Ideal Marsh Alameda Exposure Factor Datasets

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