The most cruel

Many females are ready to mate their mates right after mating to provide more nutrients for their bodies and juveniles.

The phenomenon of cannibalistic females recorded about 30 species, mainly insects, spiders and are considered unique characteristics of low-level animals.

The scientific world used to use evolutionary theory to justify this behavior. They argue that males are willing to sacrifice "their bodies" because the offspring are not yet born but are about to be fertilized. But studies show that regardless of whether or not to accept consensus, many children are still willing to eat their partners.

The purpose of this "cold-blooded" action is to create and transmit genes for the next life. Some insects such as male chestbugs are willing to do anything for this purpose. But in nature, this sacrifice rate is only 5-31%.

In fact, cannibalism helps to have a longer mating time and a higher chance of fertilization. Thus, children and young children will enjoy important nutrients.

Mosquitoes Midge

Male mosquitoes Midge is often overwhelmed by females during intercourse.

In mating males Midge, during mating, females will suck blood from males, causing the male genitals to rupture inside it. This behavior ensures that the male does not go "stamped" with other females and is beneficial to the offspring of this species.

Cricket

The male sagebrush is ready for the partner to chew away the wings in each sexual intercourse. Like a mantis, this behavior does not always happen but depends on the nutritional needs of the children. If nutritional resources are limited, children often find partners with intact wings.

But if the nutrient source is abundant, the children are ready to mate with the male that has "wandered" with other children. However, sagebrush males are said to be lucky because they are rarely eaten by their partners.

Mantis

With the dying mantis, the process of pumping sperm to the female will be pushed faster.

In order to increase fertility and survival for young offspring, female mantis will mate mates after mating. Many females even nourish the male during intercourse. The forefinger is to attack the head that stunned the partner before nibbling on the head and swallowing. The reason that many children like to eat their partners while "lovemaking" is because with the dying mantis, the process of pumping sperm to the female will be pushed faster than when they are alive.

Spider

Spiders who like to eat mates due to male spiders are perfect food, close to their nutritional needs. The aggressiveness of the spider will determine when it causes meat partners: during or after mating. However, in fact, there are still meat-eating females with potential partners before the "love".

Snake

Normally, male snakes prefer to choose larger female snakes to mate in search of healthy young offspring. This point, together with the strong snake, makes male snakes lose their dominance and they are killed by their children.