It shocked the male animals

The male rooster doesn't have a quarter, the male mouse cries when he does that, the male fruit flies have 1,000 times the size of a human's . are interesting things about males that we know little about in the animal kingdom.

Most roosters don't have "quarterly"

In contrast, the ducks' relatives have a very big "quarter", 97% of the cock's cock does not grow, becoming increasingly shrunken. According to a study by scientists at the University of Florida (USA), the genital organ of degenerated rooster by Bmp4 gene plays a role in activating the program programmed in the "suicide" cell. The reason the cock penis is shrinking in the evolution process is not explained yet, but the scientists hypothesize that this may help hens better control reproductive life.

Male mice cry when they want to "do it"

Photo: peta-sucks.com

For men, crying was not masculine, but when a male mouse shed tears, it seemed like he wanted to prove his masculinity. Researchers at the University of Tokyo (Japan) have found that male mice secrete pheromones in liquids to wet their eyes to help them recognize the desire of the male and respond.

Sperm flies are 1,000 times longer than human germs

Bifurca fruit flies are only 3mm in size but produce sperms up to 58mm long, while human sperm is only 0.06mm.

Bonobo male monkeys sex slaves

Children hold the leading position and have the supreme power, having the right to decide which male will serve it. Unselected males dare to sit on a remote monitoring tree hoping to find another chance.