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 ...

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, ...

Outback rain has enticed elusive burrowing frogs to the surface The frogs can spend months or years underground, waiting for the perfect conditions You would look grumpy too if you were a frog in the ...

In September 2018, three scientists — Nick Evans, Dylan Leonard, and Cormac Price — set out to explore the KwaZulu-Natal Midlands of Boston, South Africa. Although they went looking for the elusive ...