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
Dr Dani Rabaiotti on Twitter: "I saw a really weird goose this morning. Looks like a Canada goose x Greylag goose hybrid? Bird Twitter is this a thing? https://t.co/iwYpZ9f1zy" / Twitter
Bird Hybrids: Swan Goose x Canada Goose
Canada x Swan Goose hybrid (Branta canadensis x Anser cygn… | Flickr