The ancestor of the Andean bear (Tremarctos ornatus) is the Florida spectacled bear (Tremarctos floridanus), which migrated from the Florida peninsula a million years ago. But while the Florida spectacled bear is strictly carnivorous, its Andean descendent is not. Over millennia, it adapted to a more omnivorous diet that includes tough, fibrous vegetation like bamboo … Continue reading Food shortages fueling bear-human conflicts in Bolivian Andes