Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Black-chested Jay (Cyanocorax affinis) is a species of bird in the Corvidae family. It is found in Colombia, Costa Rica, Panama, and Venezuela. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, and heavily degraded former forest. Corvidae is a cosmopolitan family of oscine passerine birds that contains the crows, ravens, rooks, jackdaws, jays, magpies, treepies, choughs and nutcrackers. The common English names used are corvids (more technically) or the crow family (more informally), and there are over 120 species. The genus Corvus, including the jackdaws, crows and ravens, makes up over a third of the entire family.

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