Draco mindanensis of this species' patagium, or the extensible fold of skin used in flight, is red in males and dusky in females. Also, "D. mindanensis" can be distinguished from other species of "Draco" in the Philippines by its larger size (maximum length has been recorded at 105 mm), mode of five ribs supporting its patagium, upward directed nostril, lack of Y-shaped series of scales on forehead, presence of lacrimal bone and dorsal body coloration of pale brown with a slight greenish case in males. In males of this species, the dewlap, or the inflatable loose skin under the throat, is large,
Fila Brasileiro They have a rectangular build and though they are massive, their natural agility is apparent. The head is big and heavy with a deep muzzle. The ears are large, thick, tapered and either droop or fold back exposing the interior, depending on mood. Neck and back are well muscled, the chest is broad and deep. Unlike the vast majority of canines, the croup is higher than the withers. Legs are heavily boned. The skin is very distinctive of the breed as it is thick and loose all over the body, mainly in the region around the neck. The thick skin