10 Most Unique Animal Species You Won’t Believe Exist Today

4. Blue Angel Slug

Now the countdown is getting interesting. Glaucus atlanticus, commonly called with several different names like blue slug, blue dragon or blue sea slug. The appearance of this species is one of the most unique animal species. An adult is about 1.2 inch long, the body is colored with silver and blue stripes. It has a flat body and six appendages that branch out into rayed, finger-like cerata.

One of the most unique quality of this slug is its color, blue is a very rare color in nature, which makes this already strange looking creature even more incredible.

3. Gerenuk

Gerenuk is also known as Giraffe Gazelle, and it isn’t hard to guess why. It has got a long slender neck resembling Giraffes, wedge-like head and the large, round ears, and body similar to Gazelle. It is the sole member of genus Litocranius. Gerenuk is certainly one of the most unique animal species that you might not believe to be real.