Adapted from NOVA: "Mystery of the Animal Pathfinders". Third party material courtesy of Peace River Films. © 2010, 1986 WGBH Educational Foundation. All Rights Reserved.
Adapted from NOVA scienceNOW: "Frozen Frogs". Third party materials courtesy of Texas Parks and Wildlife Department. ©2010, 2005 WGBH Educational Foundation.
Adapted from NOVA: "Mystery of the Animal Pathfinders". Third party material courtesy of Peace River Films. © 2010, 1986 WGBH Educational Foundation. All Rights Reserved.
Adapted from NOVA scienceNOW: "Frozen Frogs". Third party materials courtesy of Texas Parks and Wildlife Department. ©2010, 2005 WGBH Educational Foundation.