How to Use river dolphin in a Sentence

river dolphin

noun
  • The drought is also the likely cause of dozens of river dolphin deaths in Tefe Lake, near the Amazon River.
    Fabiano Maisonnave, The Christian Science Monitor, 18 Oct. 2023
  • When waters are low, river dolphins stick to the main rivers and only move when fish flow through the floodplains.
    Elizabeth Gamillo, Discover Magazine, 4 Aug. 2023
  • One of them, the rare Indus river dolphin, has seen its numbers grow tenfold over the past half-century.
    National Geographic, 25 June 2020
  • Amazon river dolphins, also known as pink river dolphins, can grow up to nine feet long and weigh more than 350 pounds, per the World Wildlife Fund.
    Sarah Kuta, Smithsonian Magazine, 10 Oct. 2023
  • The Gangetic river dolphins are effectively blind, and see with sound.
    Shreya Dasgupta, Quartz India, 21 Nov. 2019
  • As the nation has modernized, the threats confronting the river dolphins have multiplied.
    Doug Clark, New York Times, 31 Aug. 2017
  • The sounds of the Chinese river dolphin, the dusty seaside sparrow, the golden toad, and untold numbers of other animals have left the planet.
    Jill Neimark, Discover Magazine, 8 Aug. 2012
  • Ecotourism Stars Less famous than their ocean-dwelling cousins, river dolphins are among the most endangered creatures on Earth.
    Stefan Lovgren, National Geographic, 5 Apr. 2019
  • For 10 days, the people of Tefé have awakened to a terrible sight: the carcasses of pink river dolphins floating in Lake Tefé, food for circling buzzards.
    Diana Durán, Washington Post, 4 Oct. 2023
  • During an expedition in the Sundarbans, Deen sees river dolphins washing up dead on the shore.
    Abhrajyoti Chakraborty, The New Republic, 8 Oct. 2019
  • This May, the team of astronomers and ecologists will look for orangutans in Malaysia and spider monkeys in Mexico before heading to Brazil to search for river dolphins.
    Sarah Gibbens, National Geographic, 6 Apr. 2018
  • 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
  • Scientists are trying to learn more about the diverse and unique environment, where jaguars and margays roam the savannah and jungles, and river dolphins swim in the Guayabero River.
    Murray Carpenter, New York Times, 26 Feb. 2018
  • The verdict is in regarding the recent extinction of a Chinese river dolphin: humans, not a glitch in the animal's genes, were responsible.
    Gemma Tarlach, Discover Magazine, 29 Oct. 2013
  • Each year dozens of new species are discovered hiding within their collections, from extinct river dolphins to new dinosaurs to sacred crocodiles.
    Jack Ashby, Smithsonian, 20 Dec. 2017
  • At least 125 river dolphins have died in a Brazilian lake in recent weeks, likely due to a combination of drought and unusually high water temperatures.
    Sarah Kuta, Smithsonian Magazine, 10 Oct. 2023
  • The baiji started separating in its evolution from other river dolphins about 20 million years ago.
    Sofia Quaglia, Discover Magazine, 3 June 2023
  • 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
  • Among wildlife likely to be encountered during the seven days on the boat are pink and gray river dolphins; parrots, tiger herons, laughing falcons and other interesting birds; squirrel monkeys and capuchin monkeys; sloths; and poison dart frogs.
    Phil Marty, chicagotribune.com, 1 Sep. 2017
  • Like agriculture, echolocation, and the river dolphin, the practice that would become effective altruism emerged independently in different places at around the same time.
    Gideon Lewis-Kraus, The New Yorker, 8 Aug. 2022
  • Pink river dolphins, which some Indigenous communities consider sacred, are emblems and mascots of the region.
    Diana Durán, Washington Post, 4 Oct. 2023
  • While Amazon river dolphins, which are native to South America, are naturally pink in color, these two marine mammals were likely bottlenose dolphins with albinism.
    Margaret Osborne, Smithsonian Magazine, 21 July 2023
  • Currently, all river dolphin species are threatened with extinction due to commercial fisheries, dam destruction and river changes due to pressures from agricultural and cattle farms.
    Elizabeth Gamillo, Discover Magazine, 4 Aug. 2023
  • 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
  • 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
  • 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
  • Conservation champion for Bolivia’s only river dolphin.
    Karl Schneider, The Indianapolis Star, 19 Oct. 2022

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'river dolphin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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