PhysOrg Posted September 5, 2017 Share Posted September 5, 2017 The burdens of becoming parents are often shared unequally between male and female animals. This is particularly true of species that give birth to live young, where male duties such as defending the breeding territory and building dens or nests rarely compare with the ordeals of pregnancy and labour. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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