whales and holding their breath

From: Cathy Schaeff (schaeff@american.edu)
Date: Wed Sep 10 2003 - 10:49:14 EDT

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    Hi,

    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!

    Cathy Schaeff
      ----- Original Message -----
      From: Christina Pirolo
      To: schaeff@american.edu ; pita@whale.wheelock.edu
      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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