Passerines definitions

Passerines

Perching and song birds.
Found on http://www.encyclo.co.uk/local/22219

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passerines

All birds in the Order Passeriformes; also called perching birds. The order contains approximately 4,600 species, nearly one-half the world's bird species, all of which have a foot adapted for perching on branches or stems.
Found on https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter

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Passerines

Perching and song birds
Found on https://birds.iitk.ac.in/glossary?page=159

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passerines

Known formerly as Passeriformes, sometimes as passeriformes, name given to all perching birds.
Found on https://www.birds-of-north-america.net/Bird_Terminology.html

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