It’s not just his croak

Tuesday, March 24, 2009 - 20:49 in Biology & Nature

Even at night, female tree frogs prefer males with redder vocal sacs

Read the whole article on Sciencenews.org

More from Sciencenews.org

Learn more about

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