Why the long face, little froggie? The black rain frog (also known simply as the "plain rain frog") may look naturally unhappy, but he's likely just thinking about his next mosquito snack, as his ...

Add Yahoo as a preferred source to see more of our stories on Google. a black rain frog puffed up staring at the camera on a grassy background a black rain frog puffed up staring at the camera on a ...

This frog with a perpetual frown isn't actually grumpy - that's just how the Black Rain Frog looks! This grouchy-faced amphibian has the most intimidating mug around. The proof is in the grumping.

Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013, covering pets, animal rescue and wildlife. Cats will always rule the Internet, but frogs have found a loophole and ...

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, ...

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The new species is described as having a flat face, downturned mouth, and round body, according to a study. Screen grab of photo shared on Facebook by Nick Evans. As an electrical storm hit a small ...

This quite serious looking frog, often mistaken for a toad, would put a frown on any predator with its gooey defence. LOOK AT THIS fat little guy. No one has more personality than this warty, ...