Why it's awesome: Move over grumpy cat — say hello to the grumpy frog. In addition to being a famous meme, black rain frogs have plenty of unusual traits that make them fascinating critters. For ...

All over the world, different types of frogs call out in various ways to warn others or attract mates Olivia Ferrari Different species of frogs call out in various ways, and they may sound like ...

Explore 10 of the world's grumpiest-looking animals, from the red-lipped batfish and stern-faced owls to the perpetually frowning black rain frog. Their unique features, often aiding in defense, ...

A 'pissed-off looking' burrowing frog that can stay underground for years is topside, enjoying the perfect (warm and wet) conditions for breeding. Outback conservationists are thrilled to see the ...

More than 7,000 species of frogs hop, climb and perch around our world—which means more than 7,000 unique frog calls permeate our air. “The diversity of frog sounds is hard to overstate,” says Mark ...