river dolphin

noun

Definition of river dolphin

: 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

Recent Examples on the Web But pink river dolphin populations are vulnerable due to factors including mercury pollution and river and lake contamination. Daisy Hernandez, Popular Mechanics, 26 Jan. 2022 Entries also captured moments between humans and animals, including an image of a Colombian biologist soothing an Amazon river dolphin and baby orangutans playing with a caretaker. NBC News, 1 Dec. 2021 One of them, the rare Indus river dolphin, has seen its numbers grow tenfold over the past half-century. National Geographic, 25 June 2020 Their list mainly included fish, but also mammals like beavers, river dolphins and hippopotami, as well as coldblooded creatures like crocodiles, giant salamanders and alligator snapping turtles. Rachel Nuwer, New York Times, 21 Jan. 2020 Small cetaceans such as the vaquita and various river dolphins successfully lived alongside human fishers for thousands of years in coastal waters, estuaries, and rivers. Virginia Morell, Science | AAAS, 11 Dec. 2019 The Gangetic river dolphins are effectively blind, and see with sound. Shreya Dasgupta, Quartz India, 21 Nov. 2019 During an expedition in the Sundarbans, Deen sees river dolphins washing up dead on the shore. Abhrajyoti Chakraborty, The New Republic, 8 Oct. 2019 The baiji, a Chinese river dolphin, is likely the first dolphin species driven to extinction by humans, and the Chinese paddlefish, which can grow 20 feet long, has not been seen in over a decade. Stefan Lovgren, National Geographic, 8 Aug. 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'river dolphin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of river dolphin

1870, in the meaning defined above

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Time Traveler for river dolphin

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The first known use of river dolphin was in 1870

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Dictionary Entries Near river dolphin

river dog

river dolphin

river driver

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Statistics for river dolphin

Cite this Entry

“River dolphin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/river%20dolphin. Accessed 8 Aug. 2022.

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