Medium-size, 3-cycle gull with sloping head ... on wing tips (wing tips at rest usually all black); tail sometimes has black markings (but often all white), head and neck more heavily marked ...

Numbers in Northeast and Atlantic Canada now declining; linked to egging and competition with expanding great black-backed gull populations.

THE survey of the black-headed gull (Larus ribibundus) carried out by P. D. Hollom, with the help of 160 other observers for the British Trust for Ornithology (British Birds, Jan. 1939), gives a ...

Tom Burke and Emma Corrin also appear in a production at London’s Barbican that asks searching questions about art while ...