Zoo euthanizes one of country's oldest male lions

Tuesday, March 22, 2011 - 20:30 in Biology & Nature

A Pennsylvania zoo has euthanized one of the five oldest male lions in the United States due to age-related ailments, a zoo spokeswoman said on Tuesday.

Read the whole article on MSNBC: Science

More from MSNBC: Science

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net