Natural History Wanderings

NPR reports on a new study that as a result of hunting and habitat destruction big mammals became extinct.

We still have lots of furry little mammals on the planet. But the pattern is clear: 11,000 years ago, the average mass of a non-human mammal in North America was about 200 pounds. Now it’s about 15 pounds. And the researchers say they’re getting even smaller.

Listen to or read the story at New Study Says Ancient Humans Hunted Big Mammals To Extinction : The Two-Way : NP