Noun
See Graylag.
Source: Webster's dictionaryHis last work "Here I Am - Where Are You?" is a summary of his life's work and focuses on his famous studies of greylag geese. Source: Internet
On Sunday October 21, 2018 at 8.11am, the roll-on roll-off passenger ferry Red Falcon collided with and sank the yacht Greylag, which was on its mooring in Cowes Harbour, while the visibility within the harbour was severely reduced by fog. Source: Internet
Others originate in Northern Europe, such as the greylag goose (Anser anser). Source: Internet