 During this time, females organize in small groups composed of at most eight (8) individuals, while males are solitary and are aggressive.After approximately six (6) months, females give birth to a single fawn with light-colored spots that eventually disappear after several weeks.The "Bagobo-Tagabawa" tribe in Barangay Sibulan, Toril, Davao City identified the Philippine brown deer as a "cultural keystone species" (CKS).