The Caño Negro Wildlife Refuge and the Rio Frio are some of the most biologically diverse wetlands in Costa Rica, offering some of the richest wildlife viewing and birding sites in the Americas.
The wildlife refuge in Caño Negro is one of the most important reserves for bird watching and observing of wildlife in Costa Rica. Caño Negro is also home to many sloths, monkeys, caimans, bats, as well as numerous tropical plants.
