| Word | Definitions | Synonyms |
|---|---|---|
| nandu | (noun) smaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Strait of Magellan | Synonyms: Pterocnemia pennata, rhea |
| tamandu | (noun) small toothless anteater with prehensile tail and four-clawed forelimbs; of tropical South America and Central America | Synonyms: lesser anteater, tamandua, Tamandua tetradactyla |