The Ice Age was harsh on orcas

Most orca populations experienced a harsh decline during the Ice Age, according to an analysis of the killer whales’ DNA. The cetaceans weren’t harmed by the ice directly, but it may have reduced the availability of their food sources.

Robert Pittman/NOAA, Wikimedia Commons

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Animals

From the Nature Index

Paid Content