Silhouette of Flying Ring-Billed Gull at Sunrise, Merritt Island National Wildlife Refuge

Flock of Lesser Flamingos Reflected in Water at Sunrise, Amboseli National Park, Kenya

Horned Lizard or Toad Rests on Tree Stump, Cozad Ranch, Linn, Texas, USA

Abstract of Wood Duck Drake Swimming in Autumn Color Reflections, Chagrin Reservation, Cleveland

Male Burchell's Zebra Exhibits Flehmen Display to Sense Females, Kenya

Silhouette of Bird Flying in Front of Sun Globe, Ft. Myers, Florida, USA

Bald Eagle in Landing Posture, Homer, Alaska, USA

Full Moon in Black and White

Whooping Crane Preens Feathers in Early Morning Light, Lake Kissimmee, Florida, USA

Wild Turkey Feather Close-up, Las Colmenas Ranch, Hidalgo County, Texas, USA

Adult Male Cheetah by Tree, Masai Mara, Kenya

Detail of Adult Cheetah Licking Blood off Paw, Masai Mara, Kenya

Close-up of Zebra Stripes, Masai Mara, Kenya

Young Giraffe Nursing, Lake Naivasha, Kenya

Two Impalas Amid Grass and Trees, Samburu National Reserve, Kenya

Samburu Dancer's Colorful Necklace, Samburu National Reserve, Kenya

Detail of Vulturine Guineafowl Breast Feathers, Samburu National Reserve, Kenya

Abstract of Wildebeest Jumping, Masai Mara, Kenya

African Lioness Rests on Tree Branch, Tanzania

Portrait of Eurasian Bee-Eater on Tree Limb, Lake Manyara, Tanzania

Flying Grey-Crowned Crane with Wings, Tanzania

Close-up of Scarlet-Breasted Sunbird on Limb, Ndutu, Tanzania

Yellow-Billed Kite in Flight with Full Wingspread

Close-up of Male Cassin's Finch in Pine Tree, Kamloops, British Columbia, Canada

Common Loon Calling with Chick Riding on Back in Water, Kamloops, British Columbia, Canada