The sound of nature
Aubrey looking at mole
Aubrey returns...
Don't miss Aubrey's follow-up series to the Sound of Life: Join Aubrey on his journey to discover the Rules of Life.
Explore the nature of sound:
What are you saying?
Animals make sounds: hooting, croaking, bleating, chirruping. But why all the noise?
Out of range
Our ears - acute though they are - can't begin to catch all the sounds of the natural world. What do humans miss?
![Living in the Arctic [photo: Nathan Gallagher]](http://www.open2.net/open2static/source/file/root/63/38/260491/house_iceberg_prog.jpg "Photo: Nathan Gallagher")
