Smooth Horned Frog: Species in World Land Trust reserves
How Curious: What Happened To All Of The “Horny Toads?” | KGOU
Asian horned frogs look like grouchy muppets - Australian Geographic
Surinam horned frog - Wikipedia
Horned Frog Info - Reptiles
TCU – Texas Christian University - Don't worry about this little horned frog. It just used its super-power defense mechanism to keep safe from predators. Did you know that horned frogs shoot
Horned Marsupial Frog Rediscovered in Ecuador - Saving Nature