A total of 140 species of birds have been registered in Galapagos: 58 residential, 76 migratory, and 6 introduced. Close to 50% of the resident birds are endemic to the Galapagos. Some of these species are currently threatened due to factors associated with human presence.
Galapagos birdlife can be classified in 3 main categories:
1. Sea Birds
2. Coastal Birds
3. Land Birds