Burung laut (Seabirds)
Great Black-backed Gull
Larus marinus
- langka
- 84 km/h
- Risiko rendah
The world's largest gull. Swallows puffins whole and bullies everything on the beach.
- Populasi
- Global breeding population roughly 152,000-165,000 pairs as of 2021, down from ~291,000 pairs in 1985 (a 43-48% decline over ~3 generations)
- Habitat
- Coastal rocky and sandy shores, estuaries, inland lakes, ponds, rivers, and wetlands; breeds on islands and cliff stacks, increasingly on urban rooftops, refuse dumps, and dredge-spoil islands
- Fakta menarik
- The Great Black-backed Gull is the world's largest gull species and is powerful enough to hunt and kill adult seabirds as large as puffins and grebes.
- Sebaran
- North Atlantic: breeds from northwest Russia through Scandinavia, France, the UK, Ireland, Iceland, the Faroe Islands, and southern Greenland to the North American Atlantic coast (Canada south to the northeastern/mid-Atlantic US); northern populations migrate south in winter (occasionally as far as Florida/Caribbean), southern populations largely sedentary
- Makanan
- Highly opportunistic omnivore/predator - fish (capelin, cod, herring), crustaceans, mollusks, echinoderms, marine invertebrates, seabirds, eggs and nestlings, plus carrion, refuse, and food stolen from other birds
- Ukuran
- 0,715 m
- Bentang sayap
- 1,6 m
- Masa hidup
- 20 tahun
