David Tipling / King penguins (Aptenodytes patagonicus) pair interacting, part of courtship, Gold Harbour South Georgia, January
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Alex Hyde / RF - Scarlet macaw (Ara macao) pair preening, Osa Peninsula, Costa Rica. (This image may be licensed either as rights managed or royalty free.)
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Tony Wu / Humpback whale (Megaptera novaeangliae) calf nuzzling its mother, Vava'u, Kingdom of Tonga, Pacific Ocean.
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Danny Green / Atlantic Puffins (Fratercula arctica) bill rubbing, Skomer Island, Wales, UK, April
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Danny Green / Atlantic Puffin (Fratercula arctica) pair bill rubbing part of courtship ritual, Skomer Island, Wales, UK, May
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Andy Rouse / African Elephant (Loxodonta africana) mother and calf in rain, wallowing in mud. Maasai Mara, Kenya, Africa. September.
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Tony Heald / Giant Otter (Pteronura brasiliensis) adult with young in water, Pantanal, Brazil