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Harlequin Duck Range

Source: Test Harvest

Vector datasets of CWHR range maps are one component of California Wildlife Habitat Relationships (CWHR), a comprehensive information system and predictive model for California's wildlife. The CWHR System was developed to support habitat conservation and management, land use planning, impact assessment, education, and research involving terrestrial vertebrates in California. CWHR contains information on life history, management status, geographic distribution, and habitat relationships for wildlife species known to occur regularly in California. Range maps represent the maximum, current geographic extent of each species within California. They were originally delineated at a scale of 1:5,000,000 by species-level experts and have gradually been revised at a scale of 1:1,000,000. For more information about CWHR, visit the CWHR webpage ( The webpage provides links to download CWHR data and user documents such as a look up table of available range maps including species code, species name, and range map revision history; a full set of CWHR GIS data; .pdf files of each range map or species life history accounts; and a User Guide.

Source: CA

Data and Resources

Modified Date
Release Date
Homepage URL
Spatial / Geographical Coverage Location
MULTIPOLYGON (((-120.248484 33.999329, -120.247393 34.001911, -120.238657 34.007592, -120.230001 34.010136, -120.221287 34.010367, -120.208478 34.005655, -120.19578 34.004284, -120.167306 34.008219, -120.151663 34.018126, -120.147647 34.024831, -120.14036
License Not Specified
Contact Name
Contact Email
Public Access Level
Harvested from Test Harvest
Harvest Source TitleTest Harvest
Harvest Source URI
Last Harvest PerformedWed, 07/11/2018 - 15:09