All whales and dolphins are mammals and so must hold their breath when they are under water. Some can only hold their breath for 3-5 minutes. But then there are the champion breath holders, the sperm whale and beaked whales, who can hold their breath for over an hour!
----- Original Message -----
From: Christina Pirolo
To: firstname.lastname@example.org ; email@example.com
Sent: Thursday, September 04, 2003 6:55 PM
We would like to know how long can whales and dolphins stay under water before they have to come up for air?
William and Mia (age 4)
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