California Clapper Rail (Rallus longirostris ssp. obsoletus)

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California Clapper Rail (Rallus longirostris ssp. obsoletus)

Citation:

Trace element and organochlorine concentrations in California clapper rail (Rallus longirostris obsoletus) eggs

Author(s)
Lonzarich, David G., Thomas E. Harvey and Jean E. Takekawa
Pages
147-153
Year
Volume
23
Chemical Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type
CHLORDANE, DDD (4,4'-), DDE (4,4'-), DDT (4,4'-), DIELDRIN, HEPTACHLOR, MERCURY (elemental), POLYCHLORINATED BIPHENYLS, SELENIUM (elemental) no effect eggshell thickness compared to those of museum eggs from 1907 and 1936 Female Adult 29 eggs North and South San Francisco Bay Toxicity Factor Datasets
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 Units Sex Life Cycle Stage Sample Size Location Type California Counties Error
Clutch or Litter Size 7.27 mean clutch size Female Adult 26 nests south San Francisco Bay Exposure Factor Datasets Alameda 0.96 SD
Duration of Incubation or Gestation 24.2 mean incubation period d Both Male and Female Embryo 5 nests south San Francisco Bay Exposure Factor Datasets Alameda
Hatching Success 56% proportion of nests in which at least one egg hatched Both Male and Female Hatchling 50 nests south San Francisco Bay Exposure Factor Datasets Alameda
Time of Mating/ Laying late March beginning of lay Both Male and Female Hatchling Not Reported south San Francisco Bay Exposure Factor Datasets Alameda
Population Density 1.47 mean breeding density based on rope drag and call count data birds/ha Both Male and Female Adult 68 ha south San Francisco Bay-Dumbarton Point Exposure Factor Datasets Alameda
Population Density 0.89 mean breeding density based on rope drag and call count data birds/ha Both Male and Female Adult 117 ha south San Francisco Bay - Mowry Slough Exposure Factor Datasets Alameda
Population Density 0.69 mean breeding density based on rope drag and call count data birds/ha Both Male and Female Adult 55 ha south San Francisco Bay - Ideal Marsh Exposure Factor Datasets Alameda
Citation:

A study of the California clapper rail

Author(s)
Zucca, Joseph J.
Pages
135-153
Year
Volume
12
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Population Density range of mean population densities birds/acre Not Reported Not Reported 1 marsh Dumbarton Bridge Marsh Exposure Factor Datasets San Francisco
Time of Nesting April beginning of nesting Not Reported Not Reported 1 marsh Dumbarton Bridge Marsh Exposure Factor Datasets San Francisco
Clutch or Litter Size 7.22 mean clutch size Not Reported Not Reported 27 nests Dumbarton Bridge Marsh Exposure Factor Datasets San Francisco
Duration of Incubation or Gestation estimated incubation period in field d Not Reported Not Reported 3 nests Dumbarton Bridge Marsh Exposure Factor Datasets San Francisco
Citation:

Status and distribution of the California clapper rail (Rallus longirostris obsoletus)

Author(s)
Gill, Robert Jr.
Pages
36-49
Year
Issue
1
Volume
65
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Population Density range of mean densities birds/ha Both Male and Female Adult 5 sites San Francisco Bay Exposure Factor Datasets Alameda, Marin, San Mateo, Santa Clara, Sonoma
Population Density range of mean densities birds/ha Both Male and Female Adult 5 sites San Francisco Bay Exposure Factor Datasets Alameda, Marin, San Mateo, Santa Clara, Sonoma
Citation:

Notes on the food of the California clapper rail

Author(s)
Moffitt, James
Pages
270-273
Year
Volume
43
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type California Counties
Dietary Composition Modiolus demissus (56.5%), Lycosidae (15%), Macoma balthica (7.6%), Hemigrapsis oregonensis (3.2%), Hyanassa obsoleta (2%), Spartina leiantha (14.55%) Volumetric percentage of food items in stomach contents Not Reported Not Reported 18 stomachs San Francisco Bay Exposure Factor Datasets Santa Clara

Light-footed Clapper Rail (Rallus longirostris ssp. levipes), California Clapper Rail (Rallus longirostris ssp. obsoletus), Yuma Clapper Rail (Rallus longirostris ssp. yumanensis)

Citation:

Clapper Rail

Author(s)
Eddleman, William R. and Courtney J. Conway
Pages
167-179
Publisher
The International Association of Fish and Wildlife Agencies
Year
Exposure Endpoint Type Endpoint Value Location Type Countries
Clutch or Litter Size review Exposure Factor Datasets USA
Clutch or Litter Size review Exposure Factor Datasets USA
Clutch or Litter Size review Exposure Factor Datasets USA
Survival/ Mortality review Exposure Factor Datasets USA
Survival/ Mortality review Exposure Factor Datasets USA
Survival/ Mortality review Exposure Factor Datasets USA
Dietary Composition review Exposure Factor Datasets USA
Dietary Composition review Exposure Factor Datasets USA
Dietary Composition review Exposure Factor Datasets USA
Territory Size review Exposure Factor Datasets USA
Territory Size review Exposure Factor Datasets USA
Territory Size review Exposure Factor Datasets USA
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