megafauna
noun
mega·fau·na
ˈme-gə-ˌfȯ-nə 
-ˌfä-
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
Examples of megafauna in a Sentence
Recent Examples on the Web
Like the rest of Australia’s megafauna, Thylacoleo carnifex disappeared around 50,000 years ago.
—
Tom Hawking, Popular Science, 5 June 2025
Her stories take readers to a world beyond the stars, where political conspiracy, untamed megafauna and mysterious technology stir a storm of stress and tension.
—Sixteen Ramos, USA Today, 9 May 2025
But dire wolves were real creatures that once roamed across North and South America during the Pleistocene epoch, standing taller than modern gray wolves with more robust builds and greater jaw strength, perfectly evolved to hunt the megafauna of the Ice Age.
—Nia Bowers, USA Today, 24 May 2025
Official records such as local gazettes and county chronicles didn’t have any information about the porpoises — only terrestrial megafauna like tigers and elephants, species that have frequent conflict with humans.
—Marlowe Starling, CNN Money, 14 May 2025
See All Example Sentences for megafauna
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Tom Hawking, Popular Science, 5 June 2025
Her stories take readers to a world beyond the stars, where political conspiracy, untamed megafauna and mysterious technology stir a storm of stress and tension.
—Sixteen Ramos, USA Today, 9 May 2025
But dire wolves were real creatures that once roamed across North and South America during the Pleistocene epoch, standing taller than modern gray wolves with more robust builds and greater jaw strength, perfectly evolved to hunt the megafauna of the Ice Age.
—Nia Bowers, USA Today, 24 May 2025
Official records such as local gazettes and county chronicles didn’t have any information about the porpoises — only terrestrial megafauna like tigers and elephants, species that have frequent conflict with humans.
—Marlowe Starling, CNN Money, 14 May 2025
See All Example Sentences for megafauna
Cite this Entry
“Megafauna.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/megafauna. Accessed 10 Jun. 2025.
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