Algeria, Angola, Anguilla, Antigua and Barbuda, Argentina, Aruba, Australia, Austria (P), Azerbaijan (NB) (P), Bahamas, Bahrain, Bangladesh, Barbados, Belgium, Belize, Bermuda, Brazil, Bulgaria (NB), Canada, Cape Verde, Cayman Islands, Chile, Colombia, Costa Rica, Côte dIvoire, Cuba, Cyprus (P), Czech Republic, Denmark (P), Dominica, Ecuador, Egypt, Eritrea, Falkland Islands (Malvinas), Faroe Islands (B), Finland (B) (P), France (NB) (P), French Guiana, Gabon, Gambia, Germany (P), Gibraltar (NB), Greece (P), Greenland (B), Guadeloupe, Guatemala, Guinea, Guinea-bissau, Guyana, Haiti, Honduras, Hungary, Iceland (B), India, Indonesia, Iran [Islamic Republic of], Iraq (P), Ireland, Israel, Italy (NB), Japan, Jordan (P), Kuwait, Lebanon (NB), Liberia, Malaysia, Martinique, Mauritania, Mexico, Micronesia [Federated States of] (NB), Montserrat, Morocco, Mozambique, Namibia, Netherlands (NB), Netherlands Antilles, New Caledonia, New Zealand, Nicaragua, Norway (B), Oman, Pakistan, Panama, Peru, Poland (P), Portugal (NB), Puerto Rico, Qatar, Romania (NB), Russia (Asian) (B), Russia (Central Asian) (B), Russia (European) (B), Saudi Arabia, Senegal, Singapore, Slovakia (Slovak Republic), Solomon Islands, Somalia, South Africa, South Georgia and the South Sandwich Islands, South Korea, Spain, Sri Lanka, St Helena, St Kitts and Nevis, St Lucia, St Pierre and Miquelon (P), St Vincent and The Grenadines, Svalbard and Jan Mayen Islands (B), Sweden (B) (P), Switzerland, Taiwan (China), Thailand, Togo, Trinidad and Tobago, Tunisia, Turkey (NB), Turks and Caicos Islands, United Arab Emirates, United Kingdom (B) (P), Uruguay (NB), USA (B), Vanuatu, Venezuela, Virgin Islands (British) (NB), Virgin Islands (U.S.) (NB), Yemen.
Vagrant to Antarctica, Bosnia and Herzegovina, Cameroon, Christmas Island, Congo [The Democratic Republic of the], Croatia (Local Name: Hrvatska), Ethiopia, Fiji, Georgia, Ghana, Grenada, Jamaica, Kazakhstan, Kenya, Kyrgyzstan, Latvia, Libyan Arab Jamahiriya, Luxembourg, Malta, Montenegro (NB), Nigeria, Serbia (NB), Seychelles, Sierra Leone, Slovenia, Sudan, Syrian Arab Republic, Tanzania [United Republic of], Timor-Leste.
Population
Estimated population is 500,000 - 10,000,000 (2010).
Food
Opportunistic predator and scavenges and steals food from other birds. Mainly fish, carrion, eggs and young, plant material, molluscs, crustaceans, insects and small mammals. Lemmings, eggs, chicks of other birds and fish stolen from other birds at the Tundra breeding sites. Food-piracy very important source of food outside of breeding season. Main source is piracy from other birds. Also insects and berries.
Voice
Usually silent at sea. A nasal, squealing, 'eee-air' when squabbling. A kittiwake-like 'kee-aah' and a short 'kukk'.
Nest
A shallow depression in the ground, lined sparingly with grass or moss, leaves and feathers.
Eggs (Guide)
Usually 2, sometimes 1 - 4; olive-green or brown with dark spots and blotches; oval; about 57 x 40 mm. Incubation: 25 - 28 days; by both sexes.
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Field Guide to Australian Birds Morecombe, M., 2000, Steve Parish Publishing Pty Ltd. ISBN 1 876282 10 X
Field Guide to the Birds of Australia Simpson, K., and Day, N., 1999, 6th Edition, Viking ISBN 0 670 87918 5
Reader's Digest Complete Book of Australian Birds 1988, 2nd Edition, Reader's Digest ISBN 0 949819 99 9
What Bird is That? 1984, Revised Edition, Angus & Robertson, Sydney ISBN 0 207 14846 5
Handbook of Australian, New Zealand & Antarctic Birds 1990 - , Oxford University Press, Melbourne ISBN 0 19 553244 9
The Reader's Digest Book of British Birds 1980, 3rd Edition, Drive Publications Ltd ISBN 0 340 25308 8
Birds in Colour Campbell, B., 1960, Penguin Books Ltd
The Pocket Guide to Nest and Eggs Fitter, R.S.R., 1954, Collins
RSPB Handbook of British Birds Holden, P., Cleeves, T., 2002, A & C Black ISBN 0 7136 5713 8
Birds of Britain and Europe Sterry, P., et al., 2001, AA Publishing ISBN 0 7495 3068 5
The Popular Handbook of British Birds Hollom, P.A.D., 1973, H.F. & G. Witherby Ltd ISBN 0 85493 002 7