These include the Tawi Tawi Brown-dove, the Sulu Hornbill and the Sulu Bleeding-heart, although this latter species may already be extinct.
Sulu | Sulu Archipelago | Sulu Sea | Hikaru Sulu | Walden's Hornbill | Visayan Hornbill | Rhinoceros Hornbill | Yellow-casqued Hornbill | Hornbill | Sulu Hornbill | Sulu Bleeding-heart | hornbill | Hemprich's Hornbill | Writhed Hornbill | Sulu köfte | Samar Hornbill | Patikul, Sulu | Indian Grey Hornbill ''Ocyceros birostris | Abyssinian Ground Hornbill |