The first forest dwellers to the verdant old San Jose de Casecnan lives this tribe with pride. Custom and tradition breathe especially during occasion. Known as headhunters before the Pre-Christian years of Aurora. When the place becomes a melting pot they move northward to now Barangay Bayanihan. They transferred because they do want to mingle to the migrants. The Alta tribe who occupied (Detailen and Dikildit) the southern part were also driven away because their land was grabbed and bartered, they are now residing at Barangay Diaman, Punglo, So. Malabida, Dianawan and Villa Aurora. It can be observed that most name of places in our locality starts with the letter "D" as evidence of Alta influence.