variety of Birds silhouettes with white background

>For other uses, see Bird (disambiguation). Many - see section below. Birds are bipedal, warm-blooded, egg-laying vertebrates characterized primarily by feathers, forelimbs modified as wings, and hollow bones. Birds range in size from the tiny hummingbirds to the huge Ostrich and Emu. Depending on taxonomic viewpoint, there are about 8,800–10,200 living bird species (plus about 120–130 that have become extinct in the span of human history) in the world, making them the most diverse class of terrestrial vertebrates. See more at Wikipedia.org...

>Variety (linguistics) is a concept that includes for instance dialects, standard language and jargon.Variety (biology) is a rank in botany below that of species. Variety (plant) is a legal term.Variety (philately) is a term in stamp collecting.Variety (radio) is a format of radio programming.Variety (mineralogy) is a mineral-subform Variety is also the name of an entertainment business magazine.Variety show is a name for a genre of musical theatre entertainment consisting of a series of short, unrelated songs, dances, and comedy sketches, also known as Vaudeville (North American) or Music hall (British).In mathematicsAlgebraic variety is an important concept in advanced algebraic geometry.Varieties of algebras are classes of algebraic structures defined by equations in universal algebra See more at Wikipedia.org...