In this Wednesday, Oct. 4, 2017 photo, a monkey walks over the rubble left in the wake of Hurricane Maria on Cayo Santiago, known as Monkey Island, in Puerto Rico, one of the world’s most important sites for research into
In this Wednesday, Oct. 4, 2017 photo, a monkey walks over the rubble left in the wake of Hurricane Maria on Cayo Santiago, known as Monkey Island, in Puerto Rico, one of the world’s most important sites for research into how primates think, socialize and evolve. The storm destroyed virtually everything on the island, stripping it of vegetation, wrecking the monkeys’ metal drinking troughs and crushing the piers that University of Puerto Rico workers use to bring in bags of monkey chow, brown pellets of processed food that complete the primates’ natural vegetation diet. (AP Photo/Ramon Espinosa)