mega·​fau·​na | \ ˈme-gə-ˌfȯ-nə How to pronounce megafauna (audio) , -ˌfä- \

Definition of megafauna

1 : animals (such as bears, bison, or mammoths) of particularly large size
2 : fauna consisting of individuals large enough to be visible to the naked eye

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Other Words from megafauna

megafaunal \ ˈme-​gə-​ˌfȯ-​nᵊl How to pronounce megafauna (audio) , -​ˌfä-​ \ adjective

Examples of megafauna in a Sentence

Recent Examples on the Web Additionally, there are drawings of deer, tapirs, alligators, bats, monkeys, turtles, serpents and porcupines, as well as what appears to be Ice Age megafauna. Lucy Sherriff, CNN, 24 Aug. 2021 Swinehart parlayed his assault on the world’s most charismatic megafauna into a cottage industry. David Howard, Popular Mechanics, 11 Aug. 2021 Australia has become an epicenter for paleontology with numerous discoveries of new dinosaur species and megafauna made in the last two decades, explained Jim Thompson, CEO of the Queensland Museum Network, in a statement. Elizabeth Gamillo, Smithsonian Magazine, 9 June 2021 Some of the pictographs located near their excavation site may even show depictions of extinct megafauna, the researchers hypothesized. Santiago Flórez, Smithsonian Magazine, 22 July 2021 This chimes with an extinction of marine megafauna at the start of the Pleistocene epoch, only recently identified in the fossil record. Daniel Clery, Science | AAAS, 15 July 2021 According to the Younger Dryas Impact Hypothesis, one or two comet fragments hit Earth, causing widespread climate change and the mass extinction of the ice age megafauna between 13,000 to 9,000 years ago. David Bressan, Forbes, 25 June 2021 Humans were apex predators and primarily carnivorous for 2 million years until megafauna extinctions led to a diet richer in vegetables, and the modern human brain was found to be 1.7 million years old. Rafil Kroll-zaidi, Harper's Magazine, 22 June 2021 If there’s one person who may be able to lure the charismatic megafauna, it’s Karen Pierce, the British ambassador. New York Times, 18 June 2021

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

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First Known Use of megafauna

1927, in the meaning defined at sense 1

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The first known use of megafauna was in 1927

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Last Updated

4 Sep 2021

Cite this Entry

“Megafauna.” Dictionary, Merriam-Webster, Accessed 20 Sep. 2021.

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