Source: http://pbskids.org/dragonflytv/ tpt-Twin Cities Public Television
Source: ©2008 WGBH Educational Foundation. All Rights Reserved.
Source: © 1994, 2003 WGBH Educational Foundation. All rights reserved.
Source: ©2007 WGBH Educational Foundation. All rights reserved. Footage courtesy of Texas Parks and Wildlife Department.
Source: ©2002 Idaho Public Television. All rights reserved.