Why female birds cheat on their partners - Zee News

[photo]by ANI : Washington: Female birds may be socially connected to one male for its entire life, but they are not always faithful to the same mate.

In some cases, scientists have found that up to 70 percent of the eggs found in some nests were fertilized by a male other than the primary occupant, protector, and supplier of the nest, the ABC News reported.

This provides two advantages: greater genetic diversity in her chicks, and thus more resistance to disease, and yet the man of the nest will remain around to help raise the brood, probably unaware that some of the chicks aren't his... Continue reading...