Bird Conservation Region 60
Sierra
Madre de Chiapas
This BCR, on the Pacific
coast of Chiapas, contains Mexico’s oldest mountain range. A 4,026-meter
volcano on the Mexico-Guatemala border defines the El Tacaná IBA.
It is vegetated by cloud forest and scrubland. Important species include
Bar-winged Oriole, Mountain Robin, Pink-headed Warbler, Resplendent Quetzal,
Unspotted Saw-whet Owl, White-throated Swift, Lesser Swallow-tailed Swift,
Greater Swallow-tailed Swift, Rufous Sabrewing, Violet Sabrewing, Green
Violet-ear, Emerald-chinned Hummingbird, Mountain Trogon, Collared Trogon,
Slaty-tailed Trogon, Blue-throated Motmot, Barred Antshrike, Eye-ringed
Flatbill, Orange-billed Nightingale-Thrush, Ruddy-capped Nightingale-Thrush,
Spotted Nightingale-Thrush, Crescent-chested Warbler, and wintering Wood
Thrush and Townsend’s and Hermit Warblers. La Sepultura IBA is considered
a transitional zone between the Neartic and Neotropical Regions and a
Pleistocenic haven. There are nine vegetation types with many endemic
and rare plant species. Endemic bird species include Rose-bellied Bunting
and Giant Wren. Threatened birds include Resplendent Quetzal, Rose-bellied
Bunting, King Vulture, Solitary Eagle, Whitecrowned Parrot, and wintering
Golden-cheeked Warbler. El Triunfo Biosphere Reserve is also designated
an IBA, which is covered with cloud forest, tropical deciduous forest,
coniferous forest, a relict oak forest on a small crest, grassland, and
agricultural land. Three hundred ninety birds have been counted in this
area, including Azure-rumped Tanager, Horned Guan, Resplendent Quetzal,
Wine-throated Hummingbird, and Highland Guan.
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