Search results
Results from the WOW.Com Content Network
They are large, black-and-white, or completely black, with long wings and deeply forked tails. The males have coloured inflatable throat pouches. They do not swim or walk and cannot take off from a flat surface. Having the largest wingspan-to-body-weight ratio of any bird, they are essentially aerial, able to stay aloft for more than a week.
Along the center, the image is divided into complementary black (right) and white (left), or, as the title suggests, day and night. The birds of the image contradict the overall partition of black and white throughout the image, as the black birds are in the white part of the image, while the white birds are in the black part, each of them ...
The eye has a dark brown iris and catlike vertical pupil, unique for a bird. The legs are red. The call is a barking kak-kak-kak. [7] Adults in breeding plumage have a black crown, nape and upper body. The forehead and underparts are white. The upper wings are black with white on the rear edge, and the tail and rump are dark grey with white edges.
Like many other uraniine moths, the sunset moth has an uncanny resemblance to swallowtail butterflies, especially in its tails and colourful wings, and can easily be mistaken for a butterfly. [21] The sunset moth is black with iridescent red, blue and green markings. There is a fringe of white scales on the wing edges, wider on the hindwings.
These birds forage for food like other auks by swimming underwater. They mainly eat crustaceans , especially copepods , of which a 150 g (5.3 oz) bird requires ~60,000 individuals per day (equivalent to 30 g [1.1 oz] of dry food weight), [ 19 ] but they also eat small invertebrates such as mollusks , as well as small fish.
The black-and-white hawk-eagle (Spizaetus melanoleucus, formerly Spizastur melanoleucus) is a bird of prey species in the eagle and hawk family (Accipitridae). It is found throughout a large part of tropical America , from southern Mexico to northern Argentina .
Gulls are typically gray or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet. Terns are a group of generally medium to large seabirds typically with gray or white plumage, often with black markings on the head. Most terns hunt fish by diving but some pick insects off the surface of fresh water.
Black rail; Black vulture; Black-and-white warbler; Black-faced grassquit; Black-throated mango; Black-whiskered vireo; Blue ground dove; Blue-and-yellow macaw; Blue-gray gnatcatcher; Blue-gray tanager; Blue-tailed emerald; Broad-winged hawk; Brown booby; Brown pelican; Brown-throated parakeet