from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative form of hoatzin.
from the GNU version of the Collaborative International Dictionary of English
- n. A remarkable South American bird (Opisthocomus cristatus); the crested touraco. By some zoölogists it is made the type of a distinct order (Opisthocomi).
from The Century Dictionary and Cyclopedia
- n. Same as hoactzin.
Sorry, no etymologies found.
Based predominantly on the morphology of the carpometacarpus, some ornithologists have proposed that cariamaens are closely related to the Hoatzin* Opisthocomus hoazin**, that bizarre folivorous, arboreal bird that (uniquely among birds) practices foregut fermentation.
Phylogenetic relationships of the enigmatic hoatzin (Opisthocomus hoazin) resolved using mitochondrial and nuclear gene sequences.
Avian richness and diversity are high, and shares affinites with the Guyana Highlands and northern Andes (cock of the rock Rupicola rupicola) as well as the Amazonian lowlands (hoatzin Opisthocomus hoazin).
Opisthocomus hoazin [embryo (above) and adult Hoatzin hands shown below].
Two hoatzins (Opisthocomus hoazin) on Cocha Blanco (White Lake) in the Peruvian Amazon near Blanquillo.
Chatterjee in The Rise of Birds) was coined (so far as I can tell) by Johann Illiger in 1811 and thus post-dates Statius Muller’s 1776 publication of the name Phasianus hoazin (that’s right - the hoatzin was originally described as a type of pheasant).
Opisthocomus hoazin, also shares with Archaeopteryx clawed digits in its wings, albeit as juveniles).