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
The Birds (film) as they carefully escort Melanie to the car past a mass of birds nearby. The car slowly makes its way through a landscape in which thousands of birds are ominously perching. Residents in the town of Capitola, California awoke on August 18, 1961 to find sooty shearwaters slamming into their rooftops and their streets covered with dead birds. News reports suggested domoic acid poisoning (amnesic shellfish poisoning) as the cause. According to the local "Santa Cruz Sentinel", Alfred Hitchcock requested news copy in 1961 to use as "research material for his latest thriller". At the end of the same month,