Taxa

Opisthocomiformes

Order

Citation Formats

General Reference

Nature Atlas. "Opisthocomiformes." Accessed September 8, 2026. https://nature.interactiveatlas.org/taxa/order-opisthocomiformes.

APA Style

Nature Atlas. (n.d.). Opisthocomiformes. Retrieved September 8, 2026, from https://nature.interactiveatlas.org/taxa/order-opisthocomiformes

BibTeX

@misc{natureatlas-opisthocomiformes,
  author = {Nature Atlas},
  title = {Opisthocomiformes},
  year = {2026},
  url = {https://nature.interactiveatlas.org/taxa/order-opisthocomiformes},
  note = {Accessed September 8, 2026}
}

Opisthocomiformes is a bird order represented today by a single living family, Opisthocomidae, and a single living species, the hoatzin of the Amazon and Orinoco river systems in South America. Several fossil species assigned to the order have been identified elsewhere, including in Africa and Europe.

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