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:
Herbert River Ringtail Possum, Green Ringtail Possum, Lemuroid Ringtail Possum, Striped Possum, Bennett's Tree Kangaroo.
Cleistanthus oblongifolius, Neostrearia fleckeri, Ryparosa javanica
Mesophyll vine forest with dominant fan palms (Licuala ramsayi)