river dolphin
noun
: any of various small, toothed whales (as of the families Platanistidae and Iniidae) that chiefly inhabit rivers of South America and Asia and have a rounded forehead and a snout elongated into a long beak
Examples of river dolphin in a Sentence
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Within a week, more than 150 endangered river dolphins — including both pink dolphins and tucuxis — were found dead in Lake Tefé.
—
Moná Thomas, PEOPLE, 12 Nov. 2025
Tapirs, the Amazon river dolphin and the golden lion tamarin exclusively call Brazil home.
—Irene Wright, Miami Herald, 3 Oct. 2025
Delfin is also expanding its citizen science opportunities, such as a long-term project led by conservation biologist Joanna Alfaro, who is monitoring the endemic pink river dolphins; guests and locals alike can help log sightings and deploy sensors to record their sounds.
—Cnt Editors, Condé Nast Traveler, 25 Sep. 2025
The paper combined spatial data about the distribution of jaguars with maps of the key rivers for freshwater species, including river dolphins, turtles and migratory fish (note that several of the study authors are colleagues of mine at WWF).
—Jeff Opperman, Forbes.com, 18 Sep. 2025
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Moná Thomas, PEOPLE, 12 Nov. 2025
Tapirs, the Amazon river dolphin and the golden lion tamarin exclusively call Brazil home.
—Irene Wright, Miami Herald, 3 Oct. 2025
Delfin is also expanding its citizen science opportunities, such as a long-term project led by conservation biologist Joanna Alfaro, who is monitoring the endemic pink river dolphins; guests and locals alike can help log sightings and deploy sensors to record their sounds.
—Cnt Editors, Condé Nast Traveler, 25 Sep. 2025
The paper combined spatial data about the distribution of jaguars with maps of the key rivers for freshwater species, including river dolphins, turtles and migratory fish (note that several of the study authors are colleagues of mine at WWF).
—Jeff Opperman, Forbes.com, 18 Sep. 2025
See All Example Sentences for river dolphin
Cite this Entry
“River dolphin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/river%20dolphin. Accessed 4 Feb. 2026.
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