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 face around.

The Black Rain Frog is a burrowing amphibian that is native to the southern coast of Africa. One characteristic possessed by this frog is that they burrow to create tunnels up to 150 mm deep.

This frog has a special defense mechanism in case of attack. When someone scares him or tries to grab him, he puffs himself up with air to make his body more rotund.  So, he ends up looking like a grumpy little balloon…