Quick Take Boulenger’s backpack frog females carry fertilized eggs in a dorsal pouch, providing protection and moisture. Embryos undergo direct development, emerging as fully formed froglets without a ...

Most amphibians die when exposed to salt — except the crab-eating frog, which thrives with it. Here’s how it rewrote the ...

Frogs and toads make up the largest group of amphibians. Species in this order, called Anura, substantially outnumber those in the two other living orders of amphibians — Caudata (salamanders) and ...

There are over 5,000 species of known frogs, and scientists continue to discover new species. Frog species come in a variety of sizes and colors. They can be found in a variety of habitats on every ...