Unlike Most Mammals, Dolphins Do Not Have Hair, Except for a Few Hairs Around the Tip of Their Rostrum (Beak) Which They Lose Shortly Before or After Birth...
Unlike most mammals, dolphins do not have hair, except for a few hairs around the tip of their rostrum (beak) which they lose shortly before or after birth. The only exception to this is the Boto river dolphin, which has persistent small hairs on the rostrum.
Do dolphins have Buttholes?
In male dolphins a long slit houses the genitals and a small slit behind it is the anus. In female dolphins the genitals and anus share one long slit with the anus located behind the genitals. Female dolphins also have two more slits, one to either side of the genital-anal slit, which house the mammary glands.
It is true that they are mammals, but dolphins only have hair when they are first born. This hair is found on the top of the rostrum. It falls out shortly after they are born. Dolphins do not grow any other hair for the rest of their lives.
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