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Tracking Data for Black Brant (Branta bernicla nigricans) This data package contains all location data collected by light-level geolocators attached to 68 Black Brant at breeding areas in Alaska. The data include: a deployment attributes file with details of each brant at the time of capture, the raw light-level data in ASCII files as downloaded and decompressed, and twice-daily estimated locations. Categories: Data; Tags: Alaska, Animal tracking, Animals/Vertebrates, Annual cycle, Baja California, All tags... Biota, Birds, Black brant, Branta bernicla nigricans, Breeding sites, Capture-recapture studies, Coastal ecosystems, Ducks/Geese/Swans, Environment, Light-level geolocator, Mexico, Migratory birds, Migratory rates/routes, Migratory species, NPR-A, National Petroleum Reserve-Alaska, Non-breeding range, Ornithology, Overwintering, Seasonal distribution, Seasonal movement, 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 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