Research Areas:
- Mt. Agad-Agad, Lanao del Norte
- Mt. Apo Natural Park, North Cotabato
- Mt. Kitanglad Range Natural Park, Bukidnon
- Mt. Hamiguitan Range Wildlife Sanctuary, Davao Oriental
- Mt. Malindang Range Natural Park, Misamis Occidental
- Mt. Pantaron Range Bukidnon
- Marilog District, Davao City
- Mt. Tago Range, Bukidnon
- Balinsasayao Twin Lakes Natural Park, Negros Oriental