Swans have long been viewed as a symbol of fidelity and everlasting love. But they are in fact cheating philanderers that regularly flee the nest for extramarital sex, Australian researchers reveal.
DNA testing has shown that one in six cygnets is the product of an illicit encounter, smashing the birds’ monogamous image.
The researchers make comments about the swans possibly making sophisticated mating choices and seeking out superior genes… oh yeah? How about just seizing the opportunity? 😉