Difference Between Male and Female Polar Bears

Male and female polar bears not only differ in their sizes but also somewhat in behavioral traits. Polar bears are the most sexually dimorphic mammals that is to say there is a significant and obvious difference in their sizes as well as in weight.

Male polar bears are nearly twice the size of female bears. The typical weight of an adult male is about 450 kg (992 lb) in contrast to female’s weight of 150 – 250 kg (331–551 lb). Clearly there is a substantial difference in weights. Similarly the female is also smaller in body length as compared to males.

Difference Between Male and Female Polar Bears

Mature males are far more aggressive than adult females. Cannibalism is quite common in male bears as they often engage in killing and sometimes eating cubs that belong to the other social unit.

Females are extremely devoted mothers whereas males take no part in raising cubs. The female bears take the responsibility not only for rearing cubs but also to protect them against predators. Many a times it is seen that a female in a desperate attempt to relocate to a new dens, carrying cubs in her mouth. The devotion of a female bear is so much so that she can even rear a cub that doesn’t originally belong to her family.

Males neither defend their social unit nor do possess any unusual skills as a father. They just remain with female for as long as two weeks after which they leave once for all.

Difference Between Male and Female Polar Bears – Video


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