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 of Eden access the aviary through about of walkways, about 75% of which are elevated to let them see the birds in all areas of the aviary. Visitors can tour the facility on their own, or take a guided tour. The enclosure was built over indigenous forest and includes a natural gorge with a waterfall, and a 200-seat amphitheater. In 2014 the sanctuary was home to about 3500 birds representing more than 200 species. Birds of Eden Birds of Eden is the world's largest free flight aviary and bird sanctuary, located near Plettenberg Bay in the Western Cape, South Africa. The mesh