Bird Conservation Region 45
Planicie
Costera y Lomeríos del Pacífico Sur
This BCR runs along the Pacific coast of Mexico from Nayarit south through
Chiapas. Vegetation typically includes tropical deciduous and semi-deciduous
forests, mangroves, desert scrublands, and riparian vegetation. Species
endemic to this part of Mexico include Lilac-crowned Parrot, Bumblebee
Hummingbird, Blue Mockingbird, West Mexican Chachalaca, Green-fronted
Hummingbird, Golden-crowned Emerald, Golden-cheeked Woodpecker, White-striped
Woodcreeper, Flammulated Flycatcher, San Blas Jay, Rufous-backed Robin,
Golden Vireo, and Sinaloa and Happy Wrens. The Chamela–Cuitzmala
IBA is also a biosphere
reserve and the locale for two biological stations. Additional important
species found in the IBA include Black-vented Shearwater, Least Storm-Petrel,
Elegant Tern, Peregrine Falcon, Yellowheaded Parrot, Military Macaw, Banded
Quail, Mexican Parrotlet, Balsas Screech-Owl, Violet-crowned Hummingbird,
Goldencheeked Woodpecker, Black-capped Gnatcatcher, Blue Mockingbird,
Red-headed Tanager, Orange-breasted Bunting, Black-chested Sparrow, Audubon’s
Oriole, and Yellow-winged Cacique. The coastal portion of the Coacolmán–Pómaro
IBA is covered by tropical deciduous and semi-deciduous forests. Species
associated with the well-preserved altitudinal gradient include Reddish
Egret, Wood Stork, Common Black-Hawk, Sharp-shinned Hawk, Great Black-Hawk,
Peregrine Falcon, and Mottled Owl. Two small islands (Isla Redonda and
Isla Larga), which lie just a few kilometers off the Nayarit–Jalisco
coast, form the Islas Marietas IBA. Cliffs, caves, and sandy beaches ring
the islands, with interior vegetation dominated by grasslands and columnar
cacti. Large numbers of breeding birds congregate here, including more
than half of Mexico’s Bridled Tern, as well as Brown Boobies and
Brown Noddies. Laguna de Manialtepec is a coastal Oaxaca IBA covered with
aquatic and subaquatic vegetation, tropical deciduous forest, thorn forest,
mangroves, coastal dunes, and palm plantations. Important species include
Townsend’s Shearwater, Red-footed Booby, Least Bittern, Reddish Egret,
Wood Stork, Muscovy Duck, Northern Pintail, Blue-winged Teal, Masked Duck,
Yellow-headed Vulture, Crane Hawk, Elegant and Least Terns, and Cinnamon-tailed
Sparrow.
To view another BCR description, click on a number on the map below.
