Where in America has the highest rat population? If you live in this city, you may be sharing your streets with millions of ...

Starlings are masters of mimicry and can copy all sorts of sounds, from other birds and human voices to Star Wars characters!

The lanky gibbon is known for its superb mastery of tree swinging, but how does it react to a simple hedgehog? Watch and see for yourself!

The firework jellyfish is rarely seen by humans, but its bioluminescence could put any July 4th show to shame.