https://ift.tt/2wwdHAe What Ducks Hear Underwater Scientists from the University of Delaware have created a hearing test for ducks. Here’s what they found. JAMES GORMAN and CHRISTOPHER WHITWORTH https://ift.tt/2MUyJiX August 28, 2018 at 05:30AM

By JAMES GORMAN and CHRISTOPHER WHITWORTH from NYT Science https://ift.tt/2MTMPBg