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vegan news veganism anti-specieism news animal rights news

Science

 

November 23, 2017 - EurekAlert

Helpers at the nest may allow mother birds to lay smaller eggs

Helpers at the nest may allow mother birds to lay smaller eggs

Cooperatively breeding birds and fish may have evolved the adaptive ability to reduce the size of their eggs when helpers are available to lighten the parental load, a new study suggests.

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