Fifteen-Year Project Quantifies Threat to Reptiles

The study estimates that one-fifth of reptile species worldwide are at risk of extinction.

Written byShawna Williams
| 1 min read
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A project involving hundreds of experts considering threats to reptile species one by one has concluded that 21 percent of them are at risk of extinction. While factors such as climate change and pollution play a role in threatening some species, habitat loss is the biggest factor overall, the researchers say. Their results appeared yesterday (April 27) in Nature.

The finding that at least 1,829 out of 10,196 known reptile species are at risk places the group in a better position than the IUCN Red List estimates for mammals (26 percent at risk) and amphibians (41 percent at risk). Some of the better-known species considered to be threatened include the king cobra (Ophiophagus hannah), the Komodo dragon (Varanus komodoensis), and multiple kinds of sea turtles.

The study, which began in 2004, involved multiple workshops where experts gathered to assess species’ situations one by one, according to The New York Times. ...

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Meet the Author

  • Shawna was an editor at The Scientist from 2017 through 2022. She holds a bachelor’s degree in biochemistry from Colorado College and a graduate certificate in science communication from the University of California, Santa Cruz. Previously, she worked as a freelance editor and writer, and in the communications offices of several academic research institutions. As news director, Shawna assigned and edited news, opinion, and in-depth feature articles for the website on all aspects of the life sciences. She is based in central Washington State, and is a member of the Northwest Science Writers Association and the National Association of Science Writers.

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