A new study from the Smithsonian Tropical Research Institute (STRI) shows that red-eyed treefrog embryos hatch early when exposed to high ammonia levels — an environmental cue that it’s too hot and ...

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They're tiny, adorable and endangered: Six new species of miniature frog have been discovered in Mexico by researchers from the University of Cambridge, London's Natural History Museum and the ...

(Boston) -- At the edge of Ocelot Pond, Panama, red-eyed tree frog embryos still in their eggs are about to make a life-or-death decision. The egg clutch, a gelatinous blob clinging to a leaf ...

You’re probably familiar with the story of how frogs make more frogs. It goes like this: When a lady frog and a dude frog love each other very much, they play a little game of piggyback that results ...

Most amphibians aren’t exactly doting parents — they just find a partner and release as many eggs or sperm as possible, in hopes that viable larvae will hatch from at least some fertilized eggs, and ...

Fight or flight. They’re basic animal responses once considered purely instinctual—or perhaps strictly a natural learning process—but they may actually be a combination of the two. According to ...

It’s a little early to hear bullfrogs and toads, but wood frogs always get a head start on spring. As soon as ice and snow melts, they emerge from woodland leaf litter and sing. A wood frog’s voice is ...

Most everyone recognizes frogs. Frogs, like salamanders and newts, are amphibians. Unlike salamanders, they have made a major evolutionary detour from the body plan of their ancient ancestors. The ...

Co-QUI Co-QUI! The call of the coqui frog is ringing throughout some of our Haiku neighborhoods. Though it may have seemed the frogs were gone in January and February, they were probably lying low, or ...

With their hearts, guts and other internal organs visible through translucent skin, glass frogs look vulnerable. Now, scientists have found that the embryos of these nocturnal frogs do not like ...