Meet some of the people featured in The Loneliest Animals, who are working to prevent species extinction around the world.

The Real Macaw offers bird lovers the rare opportunity to enjoy these beautiful birds in their natural habitats rather than in pet stores and cages.

They are the world's macaws -- long tailed parrots that are both greatly beloved -- and terribly endangered. And, for the most part, poorly understood.

Wildlife adventures are becoming increasingly popular for "eco-tourists" interested in seeing and saving some of the planet's most endangered animals.