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This adaptation, known as countershading, helps the bird blend in and avoid drawing attention to itself. Male ruby-crowned kinglets, for example, can flash a scarlet-red crown when excited or keep ...
The Birds of America is a book by naturalist and painter John James Audubon, containing illustrations of a wide variety of birds of the United States.It was first published as a series in sections between 1827 and 1838, in Edinburgh and London.
Line art or line drawing is any image that consists of distinct straight lines or curved lines placed against a background (usually plain). Two-dimensional or three-dimensional objects are often represented through shade (darkness) or hue . Line art can use lines of different colors, although line art is usually monochromatic.
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Birds with eyes on the sides of their heads have a wide visual field, while birds with eyes on the front of their heads, such as owls, have binocular vision and can estimate the depth of field. [ 124 ] [ 125 ] The avian ear lacks external pinnae but is covered by feathers, although in some birds, such as the Asio , Bubo and Otus owls , these ...
Birds (class Aves) – winged, bipedal, endothermic (warm-blooded), egg-laying, vertebrate animals. There are around 10,000 living species, making them the most varied of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic, to the Antarctic.
The keel-billed toucan is the national bird of Belize. This is a list of the bird species recorded in Belize. Belize includes around 450 smaller cays and islands lying in the Caribbean Sea in addition to the mainland. The avifauna of Belize included a total of 621 species as of May 2023, according to Bird Checklists of the World. [1]
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