Parents with a Strong Bond Hatch Fearless Chicks

Personality is written not just in the genes, but in the egg yolk. It can even come from the kind of relationship that exists between an animal’s parents. Researchers found new evidence for this when they played matchmaker for several dozen quail. Even though the eggs were taken from their parents before hatching, bird couples in committed relationships had chicks with markedly different behaviors than couples who only dated.

It’s not hard to forge a bond between Japanese quail (Coturnix

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