Photo: China Tree Frogs Sing Ultrasonic Duets, Study Finds

Email to a Friend << Back to Full Story


Odorrana tormota—one of only two frog species known to have a concave ear—has an elaborate system of ultrasonic mating calls, new research has found.

Though far beyond the range of human hearing, the calls resemble duets between birds or singing humans, according to the authors.

Photograph courtesy Albert Feng/UIUC

EMAIL NEWSLETTER Photos and News of the Week

Get the top photos and news of the week from National Geographic News, plus occasional breaking-news alerts.

See Sample >>
Please enter a valid email address
Privacy Policy

MOST VIEWED NEWS

PHOTO IN THE NEWS: Pterosaurs Took Flight on All Fours

VIDEO: First 3-D Fly-Through of a Supernova Remnant

WEEK IN PHOTOS: Chinese Mummy, Bloodletting Rite, More
NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS

ADVERTISEMENT

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

Today's National Geographic Photo of the Day

• Today's Photo

• Download as Wallpaper

Photo and Headline Widget

Put our latest news and photos on your Web page or desktop—automatically updates! See Sample
Download Widget