Reed cormorants (Microcarbo africanus) drying wings, Chobe National Park, Botswana, Africa

Adult black-browed albatross (Thalassarche melanophrys), close up of tail at nesting site on New Island, Falklands, South America

Great Kiskadee, (Pitangus Sulphuratus), a passerine bird common in Central and South America, Bermuda, Atlantic, North America

Fork-tailed drongo (Dicrurus adsimilis), Kgalagadi Transfrontier Park encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

Fork-tailed drongo (Dicrurus adsimilis), Kgalagadi Transfrontier Park encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

Magellanic Penguin showing natural oil on its feathers at Sea Lion Island, Falkland Islands, South Atlantic.

Greater Black-Backed Gull by San Francisco bay, California, United States of America

Greater Black-Backed Gull by San Francisco bay, California, United States of America

Portrait of a male, common ostrich (Struthio camelus) lowering head and walking through the long grass at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia

Portrait of a southern yellow-billed hornbill (Tockus leucomelas) perching in profile on a bush. It has mottled black and brown feathers, a white head and a yellow beak, taken at the Gabus Game Ranch; Otavi, Otjozondjupa, Namibia