National Geographic writes, "Piranhas, it turns out, can be excellent communicators, a new study suggests. But don't get the idea they're going soft — their barks, croaks, and clicks likely mean 'leave me alone,' 'I might bite you,' or 'now I'm really angry!' "

http://news.nationalgeographic.com/news/2011/10/111012-piranhas-bark-science-get-away/

posted by blahpook 2 years 9 months 2 weeks ago • 1,004 views • 38 secs
who voted for this video:

Send this Article to a Friend



Separate multiple emails with a comma (,); limit 5 recipients






Your email has been sent successfully!

Manage this Video in Your Playlists

Beggar's Canyon