25 Nov 2014.
Peace Valley Park, Bucks Co, PA.
A large noisy flock in a pond at Brazos Bend State Park. They are a medium-sized duck with a long neck, long pink legs, chest and back rufous, face gray, bill red, belly black and a large white patch on the back of the wings.
Large white bird with long yellow bill and black legs. Hunting in Armand Bayou.
Birds (class Aves or clade Avialae) are feathered, winged, two-legged, warm-blooded, egg-laying vertebrates. Aves ranks as the tetrapod class with the most living species, approximately ten thousand. Extant birds belong to the subclass Neornithes, living worldwide and ranging in size from the 5 cm (2 in) Bee Hummingbird to the 2.75 m (9 ft) Ostrich. The fossil record indicates that birds emerged within the theropod dinosaurs during the Jurassic period, around 150 million years ago. Birds are the only living...