One of Darwin’s finches is the mangrove finch, which today lives in just two isolated patches (totaling about 74 acres) of forest here. Invaders already have found them—egg-eating rats and ...

Additionally, Isabela Island is where several endangered or critically endangered species (such as the Galápagos penguin, the flightless cormorant and the mangrove finch) reside, and 16 kinds of ...