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)