The Azuero howler a type of monkey that is a subspecies of the Coiba Island howler

Coiba Island Howler

The Coiba Island howler is a species of howler monkey, a type of New World monkey, endemic to Panama. Although the Coiba Island howler is generally recognized as a separate species, mitochondrial DNA testing is inconclusive as to whether it is actually a subspecies of the mantled howler...

 A. coibensis. This subspecies is endemic to the Azuero Peninsula

Azuero Peninsula

Azuero Peninsula is a large peninsula in southern Panama. It is surrounded by the Pacific Ocean in the south; the Pacific and Gulf of Montijo to the west, and by the Gulf of Panama in the east...

 in Panama

Panama

Panama , officially the Republic of Panama , is the southernmost country of Central America. Situated on the isthmus connecting North and South America, it is bordered by Costa Rica to the northwest, Colombia to the southeast, the Caribbean Sea to the north and the Pacific Ocean to the south. The...

. The Azuero howler is distinguished primarily by its golden flanks and loins, and browner appearance on the rest of its body.

Although generally considered a subspecies of A. coibensis, there is some debate within the scientific community as to whether A. coibensis itself is a valid species. If not, A. c. trabeata would be considered subspecies of the mantled howler

Mantled Howler

The mantled howler , or golden-mantled howling monkey, is a species of howler monkey, a type of New World monkey, from Central and South America. It is one of the monkey species most often seen and heard in the wild in Central America...

, A. palliata. In that case its trinomial name would be A. p. trabeata.