http://www.iflscience.com/plants-and-animals/dolphins-get-high-pufferfish-toxin The smartest mammal out there Pass that pufferfish. [video=youtube;RsfPFsN_z2U]http://www.youtube.com/watch?v=RsfPFsN_z2U[/video]
They are also the only mammals on this planet that have sex for pleasure and not just reproduction, besides humans of course.