Narwhals: Arctic Whales With Super-Sensing Tusks

Tusking Arctic Narwhals
Narwhal Tusks
Narwhal Tusk CT Scan
Danish Royal Decoration
Narwhal Tusk Researcher Martin Nweeia
Narwhal Tusk Pulp
Narwhal Tusk Electron Microscope Close-up
More
News
Photos
Tusking Arctic Narwhals
    1 of 7   Next >>
Male narwhals are known for their "tusking" behavior, when they rub their teeth in a display that resembles fencing. Researchers say the tapping of tusks may be a means of communication and identification rather than aggression.

• Read "A Flexible, 9-Ft. Whale Tooth With Super-Sensing Power?"
• See More Photos in the News
• See Today's Top News Stories
• See Today's Most Popular Stories
—Photograph by Glenn Williams
 

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

Earth's Core, Magnetic Field Changing Fast, Study Says

Even Modest Increases in MPG Can Equal Big Gas Savings

Amazon Tribe Attacked by Masked Gunners
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




 

Photo and Headline Widget

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