Saltwater Crocodile in Adelaide River, Northern Territory, Australia

Little Red Flying Fox Hanging on a Tree, Northern Territory, Australia

Eastern Grey Kangaroo, Wilsons Promontory National Park, Australia

Australian Pelican and Gull on Beach, Shark Bay Marine Park, Australia

Polar Bear Mother and Cub in Churchill, Manitoba, Canada

Orangutan Mother and Baby in Tree, Tanjung National Park, Borneo

Juvenile Orangutan Swinging Between Branches in Tanjung National Park, Borneo

Orangutan Mother with Baby on Her Back, Tanjung National Park, Borneo

Orangutan Male, Tanjung National Park, Borneo

Close-up of Caiman Head and Mouth, Pantanal, Brazil

Caiman in Lagoon at Sunset, Pantanal, Brazil

Jabiru on Nest at Dusk, Pantanal, Brazil