When it comes to affairs of the heart, there are a variety of factors at play: mutual attraction, shared interests, an intangible spark that eventually leads to love. But in Darwinian terms, the ...
A study conducted at the University of California, Irvine, found that a female budgerigar prefers to mate with a male that sounds like her. Biologists Marin Moravec, Professor Nancy Burley and ...
A study conducted at the University of California, Irvine, found that a female budgerigar prefers to mate with a male that sounds like her. Biologists Marin Moravec, Professor Nancy Burley and ...
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