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Humans aren’t sexually monogamous in the sense that many birds are. … We are termed ‘socially monogamous’ by biologists, which means that we usually live as couples, but the relationships aren’t permanent and some sex occurs outside the relationship. How did monogamy start? Monogamy evolved in humans when low-ranking malesRead More →

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Northern flickers are monogamous; pairs mate for life and produce two broods per season. The breeding season lasts from February until July. Pairs usually return to the same nesting areas and males aggressively protect their territories. How long do Northern Flickers live? The longest lifespan recorded is 9 years andRead More →