Tag: perception

Mixed-Up, Adopted Ducks Try to Mate With the Wrong Species

By Joseph Calamia | May 20, 2010 5:46 pm

canvasbackThere’s that old saying about the futility of a bird and a fish falling in love. Apparently, two birds might not fair any better: Unlucky ducks from two different species are falling for the wrong women.

Actually, matchmaker Michael D. Sorenson of Boston University set them up at birth. In a foreign exchange program of sorts, his team took sixteen young male redheads (Aythya Americana) and sixteen young male canvasbacks (Aythya valisineria) and switched their homes, allowing canvasbacks to raise redhead ducklings and vice versa.

Sorenson wanted to study imprinting—when a young bird sees its caretaker and recognizes her as its mother. Determining what Mom looks like turns out to be important later in a bird’s life, as the duck uses its mother’s image to pick out mates.

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CATEGORIZED UNDER: Sex & Mating
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