Female dolphins carefully choose the father of their baby.

Female dolphins have evolved to the point where they can protect themselves from unwanted fertilization. Article Contents:

Dolphins in the Black Sea Surprise Tourists

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Male dolphins often form strong “gangs,” fighting off rival females with two to four other males.

When a female dolphin encounters such a group, she has little choice in whom to mate with. As a result, each of these individuals may be hidden.

However, Afarin females have developed a secret weapon to complicate the mating process for some of these suitors.

Dolphins in the Black Sea Surprise Tourists

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She “She can”t choose who to mate with, but she can choose whose sperm will fertilize her,” says researcher Janet Mann of Georgetown University.

The complex structure of the female afarin dolphin”s vagina means the penis is pointed in the wrong direction, allowing them to perform subtle movements during sex. There”s also a special vaginal fold where the sperm of a “rejected guy” ends up, and the sperm gets “lost.”

To definitively confirm this, Dar Orbach obtained the genitals of a whale that died of natural causes and created a silicone mold that revealed the aforementioned folds and coils. The scientists then blew up a rubber prototype of a male penis to simulate an erection and used CT scanning to see how it would fit into a female vagina. They then identified several ways for the genitals to be “pointed the wrong way” in males. 56364;”> Dolphins &

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