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The following outline is provided as an overview of and topical guide to birds: 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 are generally solitary, but known to co-inhabit areas with other birds including other umbrellabirds, and similar species such as woodpeckers. [ 3 ] With a total length of 35–50 cm (14–19.5 in), it is among the largest members of the cotinga family, and the male Amazonian umbrellabird is the largest passerine in South America.
The northern cardinal is the state bird of seven states, followed by the western meadowlark as the state bird of six states. The District of Columbia designated a district bird in 1938. [ 4 ] Of the five inhabited territories of the United States , American Samoa and Puerto Rico are the only ones without territorial birds.
Birds are bipedal, warm-blooded, egg-laying vertebrates characterized primarily by feathers, forelimbs modified as wings, and hollow bones. This category contains taxa at the order or higher level in the class of Aves. Unlike Category:Prehistoric birds, which covers all prehistoric avialans, even non-neornithines, this category only covers ...
Bird netting or anti-bird netting is a form of bird pest control. It is a net used to prevent birds from reaching certain areas. Bird protection netting comes in a variety of shapes and forms, The most common is a small mesh (1 or 2 cm squares) either extruded and bi-oriented polypropylene or woven polyethylene.
With the publication of A Manual of North American Birds in 1887, Robert Ridgway condensed what was known about the continent's birds into a relatively compact 642 pages and 464 outline drawings. A prototype of today's field guides , it was quite successful, going into a second edition in 1896, and was described by Montague Chamberlain as "far ...
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For famous fictional birds, see list of fictional birds. Águia Vitória , a bald eagle who serves as the mascot for Portuguese football club S.L. Benfica Alex , a grey parrot who, in studies by Dr. Irene Pepperberg , demonstrated an ability to count; differentiate categories involving objects, colors, shapes, and materials; and understand the ...