"Pro-Life" Dogma Is Not Part of Primate Reality

"The males among these large, gray-haired monkeys were killing their own colony’s infants; at the time, in the late 1960s and early 1970s, researchers thought the pressures of overcrowding were the cause. What Hrdy found, however, was that these langurs’ infanticidal tendencies were actually adaptive behavior—behavior that, she argues, one can also see in humans."

Why Primates Kill Their Offspring