The site was identified as internationally important for bird conservation in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Species |
Red List |
Season (year/s of estimate) |
Size |
IBA criteria |
Plain Chachalaca Ortalis vetula |
LC |
resident (1990–2007) |
20,000-49,999 birds |
A3 |
Great Curassow Crax rubra |
VU |
resident (1990–2007) |
1,000-2,499 birds |
A1 |
Black-throated Bobwhite Colinus nigrogularis |
LC |
resident (1990–2007) |
1,000-2,499 birds |
A3 |
Ocellated Turkey Meleagris ocellata |
NT |
resident (1990–2007) |
10,000-19,999 birds |
A1, A3 |
Yucatan Poorwill Nyctiphrynus yucatanicus |
LC |
resident (1990–2007) |
250-999 birds |
A3 |
Yucatan Nightjar Antrostomus badius |
LC |
resident (1990–2007) |
250-999 birds |
A3 |
Wedge-tailed Sabrewing Pampa curvipennis |
LC |
resident (1990–2007) |
1,000-2,499 birds |
A3 |
Chestnut-colored Woodpecker Celeus castaneus |
LC |
resident (1990–2007) |
2,500-9,999 birds |
A3 |
Yucatan Woodpecker Melanerpes pygmaeus |
LC |
resident (1990–2007) |
present |
A3 |
Tawny-winged Woodcreeper Dendrocincla anabatina |
LC |
resident (1990–2007) |
20,000-49,999 birds |
A3 |
White-collared Manakin Manacus candei |
LC |
resident (1990–2007) |
2,500-9,999 birds |
A3 |
Lovely Cotinga Cotinga amabilis |
LC |
resident (1990–2007) |
< 50 birds |
A3 |
Yellow-bellied Tyrannulet Ornithion semiflavum |
LC |
resident (1990–2007) |
2,500-9,999 birds |
A3 |
Olive-sided Flycatcher Contopus cooperi |
NT |
passage (1990–2007) |
50-249 birds |
A1 |
Couch's Kingbird Tyrannus couchii |
LC |
resident (1990–2007) |
1,000-2,499 birds |
A3 |
Yucatan Flycatcher Myiarchus yucatanensis |
LC |
resident (1990–2007) |
1,000-2,499 birds |
A3 |
Yucatan Vireo Vireo magister |
LC |
resident (1990–2007) |
unknown |
A2, A3 |
Yucatan Jay Cyanocorax yucatanicus |
LC |
resident (1990–2007) |
50-249 birds |
A3 |
Olive-backed Euphonia Euphonia gouldi |
LC |
resident (1990–2007) |
10,000-19,999 birds |
A3 |
Green-backed Sparrow Arremonops chloronotus |
LC |
resident (1990–2007) |
20,000-49,999 birds |
A3 |
Montezuma Oropendola Psarocolius montezuma |
LC |
resident (1990–2007) |
50,000-99,999 birds |
A3 |
Cerulean Warbler Setophaga cerulea |
NT |
passage (1990–2007) |
< 50 birds |
A1 |
Grey-throated Chat Granatellus sallaei |
LC |
resident (1990–2007) |
250-999 birds |
A3 |
Rose-throated Tanager Piranga roseogularis |
LC |
resident (1990–2007) |
1,000-2,499 birds |
A3 |
Black-faced Grosbeak Caryothraustes poliogaster |
LC |
resident (1990–2007) |
1,000-2,499 birds |
A3 |
Black-throated Shrike-tanager Lanio aurantius |
LC |
resident (1990–2007) |
2,500-9,999 birds |
A3 |
Crimson-collared Tanager Ramphocelus sanguinolentus |
LC |
resident (1990–2007) |
unknown |
A3 |