tundra swan (Cygnus columbianus), Canada goose (Branta canadensis), brent goose (Branta bernicla), black brant (Branta bernicla nigricans)
Canada Goose Hybrid with Greylag Goose
WILDFOWL IDENTIFICATION - BARNACLE GOOSE / CANADA GOOSE - WWT SLIMBRIDGE
Brent Goose (Light-bellied) - BirdWatch Ireland
Brant Identification, All About Birds, Cornell Lab of Ornithology
Guide to Britain's geese species: how to identify, migration and where to see | Countryfile.com
Geese Facts, Types, Lifespan, Size, Classification, Habitat, Pictures
Canada goose - Wikipedia
Differences Between Canada Goose and Cackling Goose | Audubon
The Hudson's Brant – incidental naturalist
Brant (goose) - Wikipedia
A Gaggle of Geese: ID tips for the geese of Shetland | Shetland Community Wildlife Group
Brent Geese photo ID guide - BirdGuides
Barnacle Goose (Branta leucopsis) -> Canada Goose (Branta leucopsis) - BirdID's Bird Guide - Nord University - Birdid
Bird Hybrids: Barnacle Goose x Canada Goose
Brent Geese
Differences Between Canada Goose and Cackling Goose | Audubon
Guide to Britain's geese species: how to identify, migration and where to see | Countryfile.com
Bird Hybrids: Barnacle Goose x Canada Goose
Brent Goose Facts | Branta Bernicla - The RSPB
Similar Species to Brant, All About Birds, Cornell Lab of Ornithology
Brent Goose Facts | Branta Bernicla - The RSPB
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)
