Reptile

As climate changes, one species faces extinction by becoming exclusively female

Environment

In some species of reptiles, gender is determined not by X and Y chromosomes, but rather by the temperature in the nest at a key period of development. So, as temperature warm, for the Painted turtles, that means a species that will become all female. And when that happens, the species will die out.

Big Brains Strike Again

Animal Note: Multi-purpose lungs

Tell us about your experience accessing The World

We want to hear your feedback so we can keep improving our website, theworld.org. Please fill out this quick survey and let us know your thoughts (your answers will be anonymous). Thanks for your time!

We respect your time, attention and privacy

This is a news website, not a click casino. We do NOT employ deceptive behaviors, display annoying ads or use third party cookies and trackers to monetize your visit or help advertisers track you across the internet.

Simply, we ask that you would consider a donation to support the journalism we produce every weekday. Thank you.