Costa Rica has one of the highest densities of plant and animal species on Earth. This lush country has an incredible diversity of habitats, from high volcanoes and ocean beaches to tropical rainforests and rich wetlands. While trekking through the jungle, you may be rewarded with close up views of spider, howler and squirrel monkeys, along with sloths, tree frogs and anteaters. You may also spot a host of colorful birds as you explore the cloud forests, including toucans, macaws, hummingbirds and the enchanting resplendent quetzal. During nesting season, you can observe endangered green sea turtles and leatherbacks journey up on the beaches at night to lay their eggs.