The site was identified as internationally important for bird conservation in 2005 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 |
| Pale-browed Tinamou Crypturellus transfasciatus |
NT |
resident (2003) |
common |
A1, A2, A3 |
| Rufous-headed Chachalaca Ortalis erythroptera |
VU |
resident (2003) |
uncommon |
A1, A2, A3 |
| Ochre-bellied Dove Leptotila ochraceiventris |
VU |
resident (2003) |
rare |
A1, A2, A3 |
| Ecuadorian Ground Dove Columbina buckleyi |
LC |
resident (2003) |
rare |
A2, A3 |
| Scrub Nightjar Nyctidromus anthonyi |
LC |
resident (2003) |
common |
A2 |
| Short-tailed Woodstar Myrmia micrura |
LC |
resident (2003) |
common |
A2, A3 |
| Tumbes Hummingbird Thaumasius baeri |
LC |
resident (2003) |
uncommon |
A2, A3 |
| Grey-backed Hawk Pseudastur occidentalis |
VU |
resident (2003) |
present |
A1, A2 |
| Ecuadorian Piculet Picumnus sclateri |
LC |
resident (2003) |
common |
A2, A3 |
| Guayaquil Woodpecker Campephilus gayaquilensis |
LC |
resident (2003) |
common |
A1 |
| Grey-cheeked Parakeet Brotogeris pyrrhoptera |
VU |
resident (2003) |
common |
A1, A2, A3 |
| Pacific Parrotlet Forpus coelestis |
LC |
resident (2003) |
common |
A2, A3 |
| Red-masked Parakeet Psittacara erythrogenys |
NT |
resident (2003) |
common |
A1, A2, A3 |
| Chapman's Antshrike Thamnophilus zarumae |
LC |
resident (2003) |
present |
A2, A3 |
| Collared Antshrike Thamnophilus bernardi |
LC |
resident (2003) |
common |
A2, A3 |
| Elegant Crescentchest Melanopareia elegans |
LC |
resident (2003) |
common |
A2, A3 |
| Watkins's Antpitta Grallaria watkinsi |
NT |
resident (2003) |
present |
A2, A3 |
| Pacific Hornero Furnarius cinnamomeus |
LC |
resident (2003) |
common |
A3 |
| Henna-hooded Foliage-gleaner Clibanornis erythrocephalus |
NT |
resident (2003) |
present |
A1, A2, A3 |
| Blackish-headed Spinetail Synallaxis tithys |
VU |
resident (2003) |
present |
A1, A2, A3 |
| Slaty Becard Pachyramphus spodiurus |
VU |
resident (2003) |
rare |
A1, A2, A3 |
| Pacific Elaenia Myiopagis subplacens |
LC |
resident (2003) |
present |
A2, A3 |
| Grey-breasted Flycatcher Lathrotriccus griseipectus |
LC |
resident (2003) |
frequent |
A1, A2, A3 |
| Ochraceous Attila Attila torridus |
NT |
resident (2003) |
present |
A1 |
| Baird's Flycatcher Myiodynastes bairdii |
LC |
resident (2003) |
common |
A2, A3 |
| Sooty-crowned Flycatcher Myiarchus phaeocephalus |
LC |
resident (2003) |
frequent |
A2, A3 |
| White-tailed Jay Cyanocorax mystacalis |
LC |
resident (2003) |
common |
A2, A3 |
| Superciliated Wren Cantorchilus superciliaris |
LC |
resident (2003) |
common |
A2, A3 |
| Plumbeous-backed Thrush Turdus reevei |
LC |
resident (2003) |
common |
A2, A3 |
| Saffron Siskin Spinus siemiradzkii |
LC |
resident (2003) |
rare |
A1, A2, A3 |
| Tumbes Sparrow Rhynchospiza stolzmanni |
LC |
resident (2003) |
common |
A2, A3 |
| Black-capped Sparrow Arremon abeillei |
LC |
resident (2003) |
common |
A2, A3 |
| White-headed Brushfinch Atlapetes albiceps |
LC |
resident (2003) |
common |
A2, A3 |
| White-edged Oriole Icterus graceannae |
LC |
resident (2003) |
common |
A2, A3 |
| Grey-and-gold Warbler Myiothlypis fraseri |
LC |
resident (2003) |
common |
A2, A3 |
| Three-banded Warbler Basileuterus trifasciatus |
LC |
resident (2003) |
rare |
A2 |
| Crimson-breasted Finch Rhodospingus cruentus |
LC |
resident (2003) |
frequent |
A2, A3 |
