There are good signs that the nationally endangered Southern Cassowary is using the habitat protected by Fan Palm Reserve.
It also protects these significant species and communities:
Animals: Herbert River Ringtail Possum, Green Ringtail Possum, Lemuroid Ringtail Possum, Striped Possum, Bennett's Tree Kangaroo.
Plants: Cleistanthus oblongifolius, Neostrearia fleckeri, Ryparosa javanica
Vegetation communities: Mesophyll vine forest with dominant fan palms (Licuala ramsayi)