Pregnant gelada monkeys abort when new male enters group

(PhysOrg.com) -- Pregnant female geladas show an unusually high rate of miscarriage the day after the dominant male in their group is replaced by a new male, a new University of Michigan study indicates.

Study finds wolves are better hunters when monkeys are around

Through a rare mixed-species association observed between a carnivorous predator and a potential prey, Dartmouth-led research has identified that solitary Ethiopian wolves will forage for rodents among grazing gelada monkey ...