Britannica AI Icon

Adding us as a Preferred Source tells Google you trust our content, so our articles show up more often in your Google Search, Discover feed, and AI Overviews.
verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style

saro

mammal
Also known as: Brazilian giant otter, Pteronura brasiliensis, flat-tailed otter, margin-tailed otter, saro(Show More)

saro, rare South American species of otter (q.v.).

This article was most recently revised and updated by Amy Tikkanen.