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 & Blooms of American adults were involved in gardening, and 6.4% were bird-watchers. In May 2005, "Birds & Blooms" began publishing "Birds & Blooms EXTRA" with magazine issues published six months a year on alternating months to the original "Birds & Bloom" magazine. Birds & Blooms Birds & Blooms is an American magazine about backyard plants, birds, butterflies, and other creatures. "Birds & Blooms" was started in 1995. The magazine has its editorial offices in Milwaukee, Wisconsin. The magazine is produced once every two months. Most of the articles and photographs in the magazine are reader-submitted, giving the magazine a non-scientific approach.