tundra swan (Cygnus columbianus), Canada goose (Branta canadensis), brent goose (Branta bernicla), black brant (Branta bernicla nigricans)
Brent Geese
Brant Goose (Branta bernicla) -> Canada Goose (Branta bernicla) - BirdID's Bird Guide - Nord University - Birdid
Bird Hybrids: Barnacle Goose x Canada Goose
Brent Geese photo ID guide - BirdGuides
Brant Identification, All About Birds, Cornell Lab of Ornithology
Barnacle Goose (Branta leucopsis) -> Canada Goose (Branta leucopsis) - BirdID's Bird Guide - Nord University - Birdid
Canada geese vex neighborhoods – Daily Press
Guide to Britain's geese species: how to identify, migration and where to see | Countryfile.com
Brent Goose | Bird Identification Guide | Bird Spot
Brant Identification, All About Birds, Cornell Lab of Ornithology
GEESE! Grand Birds of NYC Winters
Differences Between Canada Goose and Cackling Goose | Audubon
A Gaggle of Geese: ID tips for the geese of Shetland | Shetland Community Wildlife Group
The Hudson's Brant – incidental naturalist
Canada Goose Hybrid with Greylag Goose
Brant (goose) - Wikipedia
Bird Hybrids: Barnacle Goose x Canada Goose
Bird Hybrids: Barnacle Goose x Canada Goose
blue goose, snow goose (Anser caerulescens), Canada goose (Branta canadensis), cackling goose (Branta hutchinsii), brant (Branta bernicla), black brant (Branta bernicla nigricans), emperor goose (Anser canagicus), trumpeter swan (Cygnus buccinator)
Brent Goose Facts | Branta Bernicla - The RSPB
Barnacle goose | bird | Britannica
Similar Species to Brant, All About Birds, Cornell Lab of Ornithology
