Djungarian Hamsters Are Unusually Involved Fathers
Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Parental care is costly. It uses up precious time, energy and resources—and in the animal world, it’s usually the moms who bear the brunt of it. For most mammals, the concept of fatherhood begins and ends at conception. So what drives a father to defy…
