Seychelles is a unique environment, which sustains a very special biodiversity. It is special for a number of different reasons. These are the oldest oceanic islands to be found anywhere on Earth. The inner granitic islands here are also the only such islands based on continental rock.
Seychelles is a paradise for birdwatchers, you can easily see the unique land birds, the important sea bird colonies, and the host of migrants and vagrants. Some sea bird colonies are enormous such as sooty tern colony in Bird Island. You can visit Cousin and Aride and some privately owned islands to see both land and sea birds.