The Hard Life Of Female Offspring When Sharing Maternal Care With A Brother
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Enrique is a research scientist at the Museo Nacional de Ciencias Naturales.

                       

The Hard Life Of Female Offspring When Sharing Maternal Care With A Brother

In many polygynous species, males do not participate in brood care duties. Offspring frequently have long maternal dependence periods during which they receive protection and food from their mother. When a mother has more than one offspring and food is scarce, she has to decide whether to try to raise the whole brood or ensure the survival of at least part of her progeny. The problem is complicated when the sex of these offspring comes into play. Since these species...

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