Ismaele Tortella / Black-legged kittiwake (Rissa tridactyla) nesting above a window, Lofoten, Norway, August.

Suzi Eszterhas / Giant anteater (Myrmecophaga tridactyla) Serra de Canastra National Park, Brazil

Oscar Dewhurst / Black-legged kittiwake (Rissa tridactyla) adult perched on the side of the Tyne Bridge, overlooking Newcastle and the Tyne. Newcastle, UK. July

Oscar Dewhurst / Black-legged kittiwake (Rissa tridactyla) adults and chicks on nests on the Tyne Bridge. Newcastle, UK. July.

David Perpinan / Close-up of a Giant anteater (Myrmecophaga tridactyla) eating ants, Pantanal, Mato Grosso do Sul, Brazil.

Nick Garbutt / Giant anteater (Myrmecophaga tridactyla) foraging in palm savannah grasslands. Southern Pantanal, Moto Grosso do Sul State, Brazil. September.

Wim van den Heever / Giant anteater (Myrmecophaga tridactyla) walking with its baby on the back at twilight, Pantanal, Brazil.

Pal Hermansen / Kittiwake (Rissa tridactyla) breeding on house wall, Norway, March.

Staffan Widstrand / Kittiwakes (Rissa tridactyla) nesting on wall of house, Vardo town, Varanger Peninsula, Norway, March.

Espen Bergersen / Kittiwakes (Rissa tridactyla) squabbling on ice. Svalbard, Norway. July

Erlend Haarberg / Black-legged kittiwakes (Rissa tridactyla) fighting mid air, Hornoeya. Finnmark, Norway, July.

Suzi Eszterhas / Giant Anteater (Myrmecophaga tridactyla), Serra de Canastra National Park, Brazil