Black and white ruffed lemurs communicate vocally, but also by scent.
Tally and Junior are known to mark their territory by rubbing their bodies on branches, according to the Reid Park Zoo website.
Lemurs have a couple of ways in which they communicate
Tally, a female lemur, plays while in her enclosure at the Reid Park Zoo, 3400 E. Zoo Court, in Tucson, on Nov. 30, 2016. A.E. Araiza / Arizona Daily Star
