1116-53319 - Close-up portrait of a male willow ptarmigan (Lagopus lagopus) showing early breeding colors in its neck and eye combs, surveying its high-country territory in Southcentral Alaska's Chugach Mountains on an April day. The head and neck will become completely chocolate-brown as the bird's breeding colors develop, Alaska, United States of America

1112-8893 - Yellow-footed gull (Larus livens), eggs in nest on Isla Coronado, Baja California Sur, Sea of Cortez, Mexico, North America

1116-51910 - Helmeted guineafowl (Numida meleagris) on bank framed by branches; Otavi, Otjozondjupa, Namibia

1116-49409 - Burrowing Owl (Athene cunicularia) perched on the ground with head turned to look backwards, Casa Grande, Arizona, 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

1116-49411 - Burrowing Owl (Athene cunicularia) perched on the ground, Casa Grande, Arizona, United States of America

1116-49274 - Martial eagle (Polemaetus bellicosus) eyes camera from leafy bush, Serengeti, Tanzania

764-5120 - African pipit (grassland pipit) (grassveld pipit) (Anthus cinnamomeus), Ngorongoro Conservation Area, UNESCO World Heritage Site, Serengeti, Tanzania, East Africa, Africa

911-10392 - A Common Starling, Sternus vulgaris in Seahouses, Northumberland, UK.

911-10381 - A Common Starling, Sturnus vulgaris in Seahouses, Northumberland, UK, moulting from Juvenile to adult plumage.

1161-2952 - Eagle Owl, Camargue, France

1161-3072 - Starling by San Francisco bay, California, United States of America