When Carl Linnaeus laid out his Systema Naturae in 1758, he named 44 primates, including the Ring-tailed Lemur, Lemur catta. Only two full (genus and species) scientific names that he gave still endure unchanged: Lemur catta and Homo sapiens.
They are quite easy to photograph at the Bronx Zoo’s Madagascar exhibit, enclosed behind thin, widely-spaced wire mesh. Their area is brightly lit and appropriately free of dense, green rain forest (Ring-tailed Lemurs live in the dry scrub in the southwestern part of the island.) There are quite a few of them, and they are reasonably active all day.