Africa, Tanzania, African bush elephant. An elephant mother stands by her young.

Africa, Tanzania. Portrait of two grey crowned-cranes.

Burchell's Zebra close-up. Masai Mara, Kenya, Africa

Adult male lion, Masai Mara, Kenya, Africa

Short-eared owl flying, Prairie Ridge State Natural Area, Marion County, Illinois.

Brown pelican

Greater sage-grouse, courtship display

Rising moon, migrating waterfowl

Rocky Mountain Elk, sparring bulls

Young Bearded dragon on white background

Pink-backed Pelican

African crowned crane

Orangutan, Pongo, native to Borneo and Sumatra

Great horned owl portrait

American flamingo preening feathers

Nazca booby close-up. Genovesa Island, Galapagos Islands, Ecuador.

Red-eyed Treefrog, Costa Rica

Green Crowned Brilliant hummingbird, Costa Rica

Rufous tailed hummingbird, Costa Rica

Adult female grizzly bear and cub sleeping together on beach at sunrise, Lake Clark National Park and Preserve, Alaska

Usa, California. A curious elephant seal pup goes eye to the eye with the photographer next to the Lifeboat Station at Point Reyes.

Anhinga preening. Florida

Bald eagle, Florida

Eastern screech owl, Florida

Blue grosbeak and male Northern cardinal fighting. Rio Grande Valley, Texas

Group of Black-necked stilts standing together with reflection on water, South Padre Island, Texas

USA, Wyoming, Bridger-Teton National Forest. Grizzly bear sow with spring cubs.

Three male Pronghorn, Grand Teton National Park, Wyoming