Aves | Ciconiiformes
Lepage, D. 2007. (Ref. 7816)
Size / Weight / Age
Climate / Range
Northern Pacific and Northern Atlantic.
Large, cliff-nesting gulls that exhibit high site fidelity. In the Canadian Arctic, form small colonies on coastal cliffs, tens to hundreds of kilometers apart. Adults feed at sea, away from its colony; parents feed their chicks mainly fish ( Ref. 95169) (Ref. 7816).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models