Kākāpō ( Strigops habroptilus) are large, flightless, nocturnal parrots with mottled green and yellow plumage that only breed ...
4don MSN
A tiny mouse hints at why some mammal mothers may benefit from choosing more than one father
Many animals do something that still surprises researchers: females often mate with more than one male. This ...
Discover the bizarre facts and fiction about the Virginia opossum's incredible symmetrical reproductive system.
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