Bird Conservation Region 54

Sierra Norte de Puebla–Oaxaca

This BCR, crossing through northern Oaxaca and adjacent eastern Puebla and western Veracruz, is a major landmark due to its abrupt relief and numerous peaks rising to 3,000 meters. Vegetation includes coniferous, cloud, and tropical deciduous forests. Sierra Norte is an IBA that rises in elevation to 3,700 meters in Cerro de Cempoaltepetl. Habitats include tropical rainforest; tropical deciduous, semi-deciduous, cloud, and oak and pine forests; desert brushlands; and grasslands. Priority birds are Dwarf Jay, Slender-billed Wren, Oaxaca Sparrow, Keel-billed Motmot, and Yellow-headed Parrot. Unión–Chinanteca in north-central Oaxaca
is part of a complex and abrupt mountain system having a vast mosaic of different vegetation types, including coniferous, cloud, and tropical semi-deciduous forests. Additional endemic bird species include Long-tailed Sabrewing, Long-tailed Wood-Partridge, Ocellated Thrasher, Red Warbler, Boucard’s Wren, Rufouscapped
Brush-Finch, and White-naped Brush-Finch. The Great Curassow, Chestnut-headed Oropendola, and White Hawk are among the threatened species present.

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