black-backed gull


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Synonyms for black-backed gull

white gull having a black back and wings

References in periodicals archive ?
In the Lower Waitaki River, the much larger black-backed gulls started targeting black-fronted tern colonies during the breeding season and taking eggs often in a matter of seconds.
Great black-backed gulls - up to twice the size of the herring gulls we normally see in towns - are the top predators at sea colonies in the wild.
This black-backed gull died after a fish hook and fishing line became embedded in its head in Llanddulas, leading the RSPCA to renew warnings about the potentially lethal dangers posed to wildlife by carelessly discarded litter
Typical clutch size is 1--3 eggs.The Great Black-backed Gull (Larus marinus) is a very large gull which breeds on the European and North American coasts and islands of the North Atlantic.
Great black-backed gulls, great skuas, and northern gannets out compete other birds for discard from boats.
Key words: chick survival; clutch size; egg composition; egg number; egg quality; egg size; Larus fuscus; Lesser Black-backed Gull; life history theory; trade-offs.
Ten minutes later he flew down to the Glandyfi bend of the river and after some serious mobbing by crows and a black-backed gull, he successfully caught a flounder.
The lesser black-backed gull, Larus fuscus, in Greenland.
The struggling black-backed gull chick was spotted on the rooftop by shoppers in Birmingham's Temple Street.
Gulls have proven very adaptable to human presence, responding to the availability of food: ring-billed gull, 1,773 (this species has become our McDonald's "parking lot gull"); herring gull, 173; great black-backed gull, 7.
The third series, due for release on August 11, includes gannet, ringed plover, grey glover, golden plover, greenshank, curlew, herring gull and great black-backed gull.
The 38 breeding pairs of endangered little terns, which share the Long Nanny site, produced 125 eggs and hatched 63, but fledged only five young - and one of those was taken by a black-backed gull.
Intermittent breeding in the herring gull Larus argentatus and the lesser black-backed gull Larus fuscus.