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Wolf

by Michael Leach, World Wildlife Fund Great Britain Staff (Contribution by)

Great White Shark

by Brett Westwood, World Wildlife Fund Great Britain Staff (Contribution by), Mark Cawardine

Killer Whale

by Mark Cawardine, World Wildlife Fund Great Britain Staff (Contribution by)

Orangutan

by Stephen Brend, World Wildlife Fund Great Britain Staff (Contribution by)

Crocodile

by Joyce Pope, World Wildlife Fund Great Britain Staff (Contribution by)

Black Rhino

by Malcolm Penny, World Wildlife Fund Great Britain Staff (Contribution by)

Giraffe

by Michael Leach, World Wildlife Fund Great Britain Staff (Contribution by)

Leopard

by Bill Jordan, World Wildlife Fund Great Britain Staff (Contribution by)

Giraffe

by Michael Leach, World Wildlife Fund Great Britain Staff (Contribution by)

Black Rhino

by Malcolm Penny, World Wildlife Fund Great Britain Staff (Contribution by)

Leopard

by Bill Jordan, World Wildlife Fund Great Britain Staff (Contribution by)

Gorillas

by Patricia Kendell, World Wildlife Fund Great Britain Staff (Contribution by)

Chimpanzee

by Martin Banks, World Wildlife Fund Great Britain Staff (Contribution by)

Orangutan

by Stephen Brend, World Wildlife Fund Great Britain Staff (Contribution by)

Penguin

by Keith Reid, World Wildlife Fund Great Britain Staff (Contribution by)

Rhinos

by Patricia Kendell, World Wildlife Fund Great Britain Staff (Contribution by)

Transport

by Andrew Church, Amanda Church, World Wildlife Fund Great Britain Staff (Contribution by)

Transport

by Andrew Church, Amanda Church, World Wildlife Fund Great Britain Staff (Contribution by)

Golden Eagle

by Malcolm Penny, World Wildlife Fund Great Britain Staff (Contribution by)

Polar Bear

by Malcolm Penny, World Wildlife Fund Great Britain Staff (Contribution by)

Orangutans

by Patricia Kendell, World Wildlife Fund Great Britain Staff (Contribution by)

Tiger

by Valmik Thapar, World Wildlife Fund Great Britain Staff (Contribution by)