We've compiled a list of weird animal behaviors we've amassed from the wild world web!

A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its ...

The animal kingdom has no shortage of weird and wonderful surprises, and this year biologists gave us some real treats to talk about at the dinner table. All walks of life, from microscopic bacteria ...

Scientists are rethinking defecation as a universal trait after studies showed several animals digest food without producing faeces. Species such as sponges, jellyfish, flatworms, tardigrades, and ...