Bird Hybrids on Twitter: "Apparent Canada Goose x Mute Swan hybrids. They were reported here last year too. Anyone at @WGHgdns confirm if last year's young survived? https://t.co/jESXDKouct" / Twitter
Why are there no interbreed birds such as a duck and a goose making a guck or doose, similar to a liger? - Quora
Harteman Wildfowl hybrids: duck, goose and swan crossbreeds
Swan/Graylag Goose (domestic type)] x Canada Goose (hybrid) – Birds of Nebraska – Online
Anseriformes – Avian Hybrids
Canada goose hybrid hi-res stock photography and images - Alamy
Canada X domestic swan goose hybrid | Project Noah
PDF] Photographic documentation of a Swan Goose x Snow Goose Anser cygnoides x Anser caerulescens hybrid and its offspring with a Barnacle Goose (Branta leucopsis) – a unique three-species cross | Semantic
Bird Hybrids: (Swan Goose x Greylag Goose) x Canada Goose