1872, John Cordeaux, Ornithological Notes from North Lincolnshire, Edward Newman (editor), Zoologist: A Popular Miscellany of Natural History, 2nd Series, Volume 7, page 3016,
Wild Geese. — February 29th. Saw a skein of ten wild geese flying a few feet above the Humber this morning : from their size and colour I believe them to have been graylags.
Source: wiktionary
Eventually a few graylags landed; the Professor dug into his bucket, scattered some barley grain about, and started to scribble notes.
Source: wiktionary
With reference to Konrad Lorenz's famous graylags, which assure each other of their solidarity by the display of common aggression against a nonexistent interloper, Burkert defines ritual as “action redirected for demonstration.”
Source: wiktionary