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
Which Side Are You On? but his wife, Florence, and their children were terrorized. That night, after the men had gone, Florence wrote the lyrics to "Which Side Are You On?" on a calendar that hung in their kitchen. She took the melody from a traditional Baptist hymn, "Lay the Lily Low", or the traditional ballad "Jack Munro". Reece supported a second wave of miner strikes circa 1973, as recounted in the documentary "Harlan County USA". She and others performed "Which Side Are You On?" a number of times throughout. Reece recorded the song later in life, and it can be heard on the album