Guide to Britain's geese species: how to identify, migration and where to see | Countryfile.com
Similar Species to Brant, All About Birds, Cornell Lab of Ornithology
Canada Goose
Brent Geese
Differences Between Canada Goose and Cackling Goose | Audubon
Hybrid Geese: A Trilogy of Papers – Avian Hybrids
Brent Geese photo ID guide - BirdGuides
Brent Goose Facts | Branta Bernicla - The RSPB
Guide to Britain's geese species: how to identify, migration and where to see | Countryfile.com
tundra swan (Cygnus columbianus), Canada goose (Branta canadensis), brent goose (Branta bernicla), black brant (Branta bernicla nigricans)
Bird Hybrids: Barnacle Goose x Canada Goose
Differences Between Canada Goose and Cackling Goose | Audubon
Brent Goose Facts | Branta Bernicla - The RSPB
Brant Identification, All About Birds, Cornell Lab of Ornithology
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)
The Hudson's Brant – incidental naturalist
Barnacle goose | bird | Britannica
Guide to Britain's geese species: how to identify, migration and where to see | Countryfile.com
Brent Goose (Light-bellied) - BirdWatch Ireland
Bird Hybrids: Barnacle Goose x Canada Goose
Bird Hybrids: Barnacle Goose x Canada Goose
Brent Goose. Barnacle Goose. Red Breasted Goose. Snow Goose Stock Photo - Alamy
Brant Identification, All About Birds, Cornell Lab of Ornithology
IRBC - Canada Goose Review
A Gaggle of Geese: ID tips for the geese of Shetland | Shetland Community Wildlife Group
Brant (goose) - Wikipedia
Canada geese vex neighborhoods – Daily Press
