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Location Mexico, Chiapas,Oaxaca
Central coordinates 94o 30.00' West  16o 30.00' North
IBA criteria A1, A2, A3, A4i, A4ii, A4iv
Area 870,212 ha
Altitude 0 - 1,500m
Year of IBA assessment 2012

Pronatura (Affiliate)



Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
West Mexican Chachalaca Ortalis poliocephala A3  Least Concern 
White-bellied Chachalaca Ortalis leucogastra A2, A3  Least Concern 
Cinnamon Teal Spatula cyanoptera 2,500-9,999 individuals  medium  A4i  Least Concern 
Wood Stork Mycteria americana 20,000-49,999 individuals  medium  A4i  Least Concern 
White Ibis Eudocimus albus 2,500-9,999 individuals  medium  A4i  Least Concern 
Reddish Egret Egretta rufescens breeding  250-999 breeding pairs  medium  A1, A4i  Near Threatened 
Turkey Vulture Cathartes aura passage  1,000,000-2,499,999 individuals  medium  A4ii  Least Concern 
Swainson's Hawk Buteo swainsoni passage  500,000-999,999 individuals  medium  A4ii  Least Concern 
Grey Plover Pluvialis squatarola non-breeding  50,000-99,999 individuals  medium  A4i  Least Concern 
Semipalmated Plover Charadrius semipalmatus 20,000-49,999 individuals  medium  A4i  Least Concern 
Collared Plover Charadrius collaris 1,000-2,499 individuals  medium  A4i  Least Concern 
Willet Tringa semipalmata 20,000-49,999 individuals  medium  A4i  Least Concern 
Little Stint Calidris minuta 50,000-99,999 individuals  medium  A4i  Least Concern 
Franklin's Gull Larus pipixcan 20,000-49,999 individuals  medium  A4i  Least Concern 
Elegant Tern Thalasseus elegans 10,000-19,999 individuals  medium  A1, A4i  Near Threatened 
Least Tern Sternula antillarum 1,000-2,499 adults only  medium  A4i  Least Concern 
Black Tern Chlidonias niger non-breeding  20,000-49,999 individuals  medium  A4i  Least Concern 
Lilac-crowned Amazon Amazona finschi A3  Endangered 
Orange-fronted Parakeet Eupsittula canicularis A3  Least Concern 
Lesser Ground-cuckoo Morococcyx erythropygus A3  Least Concern 
Amazilia viridifrons A3  Not Recognised 
Golden-crowned Emerald Chlorostilbon auriceps A3  Least Concern 
Citreoline Trogon Trogon citreolus A3  Least Concern 
Russet-crowned Motmot Momotus mexicanus A3  Least Concern 
Golden-cheeked Woodpecker Melanerpes chrysogenys A3  Least Concern 
Long-tailed Manakin Chiroxiphia linearis A3  Least Concern 
Nutting's Flycatcher Myiarchus nuttingi A3  Least Concern 
White-throated Magpie-jay Calocitta formosa A3  Least Concern 
Giant Wren Campylorhynchus chiapensis A2, A3  Least Concern 
Rufous-naped Wren Campylorhynchus rufinucha A3  Least Concern 
Banded Wren Thryothorus pleurostictus A3  Least Concern 
Yellow-winged Cacique Cacicus melanicterus A3  Least Concern 
Cinnamon-tailed Sparrow Peucaea sumichrasti A2, A3  Near Threatened 
Rose-bellied Bunting Passerina rositae A2, A3  Near Threatened 
Orange-breasted Bunting Passerina leclancherii A3  Least Concern 
A4iv Species group - soaring birds/cranes passage  2,500,000-4,999,999 individuals  medium  A4iv   

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Istmo de Tehuantepec-Mar Muerto. Downloaded from http://www.birdlife.org on 19/09/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife