Northern sportive lemur have large bacteria-filled ceca, which helps them to digest plant matter such as cellulose and break it down into sugars and starches. The northern sportive lemur is preyed on by the native Malagasy tree boa, which hunts the lemurs while they are sleeping in tree holes. Large birds of prey, Falconiformes and Strigiformes, are also natural predators of the lemurs. Along with these ecological threats, the arboreal lemur species are also highly threatened by human charcoal production, which still continues to remove the only remaining forest habitat of the lemurs, greatly restricting their range. "L. septentrionalis" is also illegally hunted
Birds' Paradise had no choice but to fill the river with soil, and thus a small island was formed. Someone inserted a branch into the small island, and the branch sprouted and grew into a banyan tree in the next year. Many years later that banyan tree had spread and developed into a forest, which gradually covered the island. There are almost 40 species of birds inhabiting the forest in Birds' Paradise. Nycticorax nycticorax, Ardeola bacchus, Bubulcus ibis are the most common birds found on the island. In addition, there are also other species of birds like Ardea alba, Motacilla alba, oriental