Question

In mammals, males typically disperse farther from the natal site than females. However in birds females tend to disperse farther from the natal site to breed. Why does each trend make sense within each taxonomic group? Provide an example in mammals where this trend is reversed.

Answer 1

In mammals males are typically disperse farther from the natal site than females ,reason for this is :-

Competition for mates - male disperse farther from their natal place (birth place ) in order to attract more number of female mates . They are in competition with other males to reach farther and attract more numbers of female mates.

While in birds female tend to disperse farther from the natal site (birth place ) to breed ,the reason for this is :-

Competition for resources- in birds disperse father to collect resources for them and their families including males. Male stay in the natal teratory and look after it.