There are bird species with restricted distribution such as the wattled curassow Crax globulosa (VU), and the horned screamer Anhima cornuta.    From Wordnik.com.  [Central Amazonian Conservation Complex, Brazil] Reference

Notable are horned screamer Anhima cornuta, Orinoco goose Neochen jubata, harpy eagle, black and white hawk-eagle Spizastur melanoleucusCrax globulosa (VU). and wattled curassow.    From Wordnik.com.  [Central Amazonian Conservation Complex, Brazil] Reference

Also a great variety of tropical marine birds including rufescent tiger-heron (Tigrisoma lineatum), wood stork (Mycteria americana), and horned screamer (Anhima cornuta) are just a few species present in this ecoregion, not to mention invertebrates such as shrimp, crabs and mollusks.    From Wordnik.com.  [Gulf of Guayaquil-Tumbes mangroves] Reference

Anhima cornuta the spikes are triangular in cross-section and thus equipped with three sharp keels.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference