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Location Folder Show Tree ROOT _Users Filters Date Range Past year (1) Past month (1) Past week (0) Past day (0) Custom range... To   Search Contacts Vijay P Patil U.S. Geological Survey - ScienceBase Toshio D Matsuoka John A Reed Alan G Leach More... Categories Data (1) Tag Types Theme (1) Place (1) Harvest Set (1) USGS Scientific Topic Keyword (1) Tag Schemes None (1) NASA GCMD Earth Science Keyword Thesaurus (1) USGS CSA Biocomplexity Thesaurus (1) USGS Thesaurus (1) ISO 19115 Topic Category (1) USGS Protected Areas Database of the United States (PAD-US) (1) USGS Geographic Names Information System (GNIS) (1) View Results as: JSON ATOM CSV Browse Folder

Nesting Period Data for Black Brant (Branta bernicla nigricans) in Alaska This data package contains one table with nest initiation and end dates and clutch sizes from Black Brant (Branta bernicla nigricans) at two breeding colonies in Alaska. Data include nesting period determined by either nest visits or light-level data recorded by geolocators attached tarsal bands. Categories: Data; Tags: Alaska, Animals/Vertebrates, Annual cycle, Biota, Birds, All tags... Black brant, Branta bernicla nigricans, Coastal ecosystems, Ducks/Geese/Swans, Environment, Light-level geolocator, Migratory birds, Migratory rates/routes, Migratory species, NPR-A, National Petroleum Reserve-Alaska, Seasonal distribution, Species life history, Tagging devices, Telemetry, Tracking equipment, Tundra ecosystems, USGS Science Data Catalog (SDC), Waterfowl, Wildlife, Wildlife Biology, Yukon Delta, Yukon Delta National Wildlife Refuge, Yukon-Kuskokwim River Delta, Fewer tags