Sunday, 31 December 2006

Frogs lying

If you happen across a pond full of croaking green frogs, listen carefully. Some of them may be lying. A croak is how male green frogs tell other frogs how big they are. The bigger the male, the deeper the croak. The sound of a big male is enough to scare off other males from challenging him for his territory.
While most croaks are honest, some are not. Some small males lower their voices to make themselves sound bigger. Their big-bodied croaks intimidate frogs that would beat them in a fair fight.

No comments:

Contents of the day

Article of the Day

This Day in History

Today's Birthday

In the News

Quote of the Day

Science video