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

Posted by on November 23, 2017 1:43 pm
Categories: Top News

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. The findings indicate that in some species, the social environment may influence female reproductive decisions even prior to the birth of offspring.

Leave a Reply

Your email address will not be published. Required fields are marked *