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 International is conducive to the breeding and propagation of exotic birds. Birds International provides captive-bred birds to pet lovers, hobbyist, zoos and parks. The company is evaluated to be "the biggest and most successful breeder of exotic birds in the world". It has 20,000 exotic birds at any given time. Most of them are exported to Asia, Europe and Japan. Prices can be high, making Birds International a successful business venture and thus a model for similar enterprises. It has also been pointed out as a model for aviculture industry in Australia where, as in the Philippines, commercial trade in native