Chickens do mate, in the sense that they engage in sexual copulation, although the anatomical details are different from mating in humans and other animals. Chickens, like many other birds, lack penises, so no penetratio... More » Pets & Animals Animal Reproduction

Chickens mate when a rooster and a hen each brings an external orifice called a cloaca into contact with one another, according to Real Clear Science. The cloaca is found on both roosters and hens. When a rooster and a h... More »

Chickens do not have to mate for a hen to lay eggs. A hen lays eggs even when a rooster does not live in the flock. More » Pets & Animals Birds Chickens

Some animals that mate for life are gibbons, black vultures, wolves, albatrosses and prairie voles, according to Mother Nature Network. Gibbons are the closest relatives to humans that form lifelong bonds and mate for li... More »

According to "Backyard Poultry Magazine," factors that cause chickens to eat their own eggs are overcrowding, excessively bright coop lighting, inadequate nests and the presence of juvenile chickens in the egg house. Oth... More »

The minimum age at which a male dog can impregnate a female varies from 5 to 9 months. Because dogs do not reach social maturity until 2 years of age, they should not be bred before then. More »

When a female rhino has accepted and is ready to mate a male, she will raise her tail and the male will mount her. The copulation can last up to one hour. More »