A novel study found that geckos use the smell of other geckos to differentiate them from other members of their species, a University of Bern published early February determined.

The study, published in the peer-reviewed scientific journal Animal Cognition by Springer, discovered that Geckos actually use their tongues to sense the odor of other gecko subspecies.

— Read more in Geckos can distinguish between species by odor, study finds at The Jerusalem Post.