1350-685 - Peacock tail feathers are pigmented brown, but their microscopic structure makes them also reflect blue, turquoise, and green light, and they are often iridescent.
805-55 - Iban tribesman wearing traditional tribal headdress of hornbill feathers, monkey hair and traditional beadwork, Mulu, Sarawak, Malaysian Borneo, Malaysia, Southeast Asia, Asia
1116-49407 - Two Burrowing Owls (Athene cunicularia), perched side by side near entrance to their burrow, Casa Grande, Arizona, United States of America
1116-49409 - Burrowing Owl (Athene cunicularia) perched on the ground with head turned to look backwards, Casa Grande, Arizona, United States of America
1116-49149 - Northern Hawk Owl (Surnia ulula), known for sitting on the highest perch possible while looking for prey such as voles moving below. This one sits on the top of a tree against a blue sky, South-central Alaska, Anchorage, Alaska, United States of America
1116-49410 - Pair of Burrowing Owls (Athene cunicularia) perched on Cholla cactus (Cylindropuntia) skeleton, Casa Grande, Arizona, United States of America
1116-49333 - A male ostrich (Struthio camelus) stands silhouetted by the golden light of the sun at dawn. He has black feathers and a long, slim, pink neck, in the Serengeti, Tanzania
1116-50281 - A female Anna's Hummingbird (Calypte anna) flies through the Lucifer crocosmia (Crocosmia curtonus) in an Oregon flower garden in summertime; Astoria, Oregon, United States of America
1116-50263 - Willow Ptarmigan male (Lagopus lagopus) turning into his summer colours from his white winter's coat, Denali National Park and Preserve; Alaska, United States of America
1174-9239 - A barred owl sits on a branch, Strix varia, direct gaze, blue sky background, Londolozi Wildlife Reserve, Greater Kruger National Park, South Africa
832-388096 - King penguin (Aptenodytes patagonicus) cools his body through elevated feet, partial view, Volunteer Point, Falkland Islands, Great Britain, South America
1174-8797 - A side view of a pied kingfisher, Ceryle rudis, standing on a log, holding a fish between its beak, Sabi Sands, Greater Kruger National Park, South Africa
1174-8785 - A fish eagle, Haliaeetus vocifer, perches on a dead branch, looking out of frame, blue sky background, Sabi Sands, Greater Kruger National Park, South Africa
1116-47246 - Pair of Lappet-faced (or Nubian) vultures (Torgos tracheliotos) perched on ground looking over their shoulders in the Ndutu area of the Ngorongoro Crater Conservation Area on the Serengeti Plains, Tanzania
1116-47551 - Northern Hawk Owl (Surnia ulula), known for sitting on the highest perch possible while looking for prey such as voles moving below. This one sits on the top of a tree against a blue sky, Alaska, United States of America
1116-47578 - Northern Hawk Owl (Surnia ulula), has just made a vole kill and is about to fly back to a perch to consume it. Grass piece has been removed from face. Owl looks at camera. South-central Alaska, Anchorage, Alaska, United States of America
1116-47549 - Northern Hawk Owl (Surnia ulula), known for sitting on the highest perch possible while looking for prey such as voles moving below. This one flies from the top of a tree with a rodent in it's claws, Alaska, United States of America
1116-47609 - Willow Ptarmigans (Lagopus lagopus) standing in snow with white winter plumage in Arctic Valley, South-central Alaska, Alaska, United States of America
1116-47481 - Northern Hawk Owl (Surnia ulula), known for sitting on the highest perch possible while looking for prey such as voles moving below. This one sits on the top of a tree against a blue sky, South-central Alaska, Anchorage, Alaska, United States of America