Watch video footage of red-eyed tree frog embryos hatching after snake attacks.
Smithsonian Tropical Research Institute
Learn about research on tropical biodiversity being conducted at this institute based in Panama.
Hoofrichter, Robert, ed.Amphibians: The World of Frogs, Toads, Salamanders and Newts. Firefly Books, 2000.
Warkentin, Karen. "Adaptive plasticity in hatching age: A response to predation risk trade-offs." Proceedings of the National Academy of Sciences (April 1995), 3507-10.
Reeder, Tracey. Poison Dart Frogs. National Geographic Books, 2005.
Hogan, Dan, and Michele Hogan. "Freaky Frogs." National Geographic Explorer (March/April 2004), 10-15.
Sunquist, Fiona. "The Weird World of Frogs." National Geographic World (March 2002), 14-19.
"The Fragile World of Frogs." National Geographic (May 2001), 106-23.
Wilsdon, Christina. "Tree Frogs." National Geographic World (October 1994), 23-27.