It’s an herbivore-kill-herbivore world

Serial killer prairie dogs that target another species’ babies are more successful moms

prairie dogs

MOM’S SUCCESS  Raising lots of white-tailed prairie dog pups during a lifetime (three pups shown) links to moms’ tendency to kill the young of another grass-eating species. 

Sandy Nervig

White-tailed prairie dogs — those stand-up, nose-wiggling nibblers of grass — turn out to be routine killers of baby ground squirrels.