Juergen & Christine Sohns / Meerkat (Suricata suricatta) pair on alert, Tswalu Game Reserve, South Africa

Juergen & Christine Sohns / Meerkat (Suricata suricatta) pair on alert, Tswalu Game Reserve, South Africa

Graeme Guy/ BIA / Blue-throated Bee-eater (Merops viridis) pair, Penang, Malaysia

Tui De Roy / King Penguin (Aptenodytes patagonicus) pair, Volunteer Beach, East Falkland Island, Falkland Islands

Graeme Guy / Blue-throated Bee-eater (Merops viridis) pair, Penang, Malaysia

Wild Wonders of Europe / Quinta / White Stork (Ciconia ciconia) pair at nest on coastal rock formation, Cabo Sardo (Cape) Alentejo, Natural Park of South West Alentejano and Costa Vicentina, Portugal, June 2009 WWE BOOK

Juan Carlos Munoz / Green winged macaw (Ara chloroptera) pair flying, Chapada dos Guimaraes, Mato Grosso, Brazil

Jouan & Rius / Puffin (Fratercula arctica) pair on sea cliffs, Shetland Islands, Scotland, UK

Carol Walker / Pair of King Penguins (Aptenodytes patagonicus) on Gold Beach, South Georgia Island, Sub Antarctica.

Hanne & Jens Eriksen / Kittiwake nesting colony {Rissa tridactyla} on cliffs, Bulbjerg, Denmark

Tom Vezo / Tufted puffin {Lunda cirrhata} pair perched on cliff edge, Alaska. Saint Paul Island

Konrad Wothe / Burchell's Zebra (Equus burchellii) pair resting, Serengeti National Park, Tanzania