Lake Baptista TitiSpecies Name: Plecturocebus baptista
The Lake Baptista titi, Plecturocebus baptista, is a species of titi, a New World monkey native to Brazil. Lake Baptista Titi was initially described as Callicebus baptista in 1939.
Lang’s Red ColobusSpecies Name: Piliocolobus langi
Lang's red colobus (Piliocolobus langi) is another species of red colobus monkey. Historically, it was treated as a subspecies of the Central African red colobus (Piliocolobus foai). Still, more recent taxonomies generally treat it as a distinct species.
Laotian LangurSpecies Name: Trachypithecus laotum
The Laotian langur (Trachypithecus laotum), also known as white-browed black langur, is another primate species that nest in small limestone caves and holes that shelter from predators, rain, and cold.
Lesser Spotted-Nosed MonkeySpecies Name: Cercopithecus petaurista
The lesser spotted-nosed monkey, lesser spotted monkey, or lesser white-nosed monkey (Cercopithecus petaurista) is a primate species in the Cercopithecidae family. The lesser spotted-nosed monkey is diurnal, arboreal, and cryptic.
Lesson’s Saddle-Back TamarinSpecies Name: Leontocebus fuscus
Lesson's Saddle-Back Tamarin (Leontocebus fuscus) is a small New-world monkey endemic to South America. Its type locality is in Colombia, on the plains of Mocoa, Putumayo, between the Caquetá River and the Putumayo River.
Lion-Tailed MacaqueSpecies Name: Macaca silenus
The lion-tailed macaque (Macaca silenus), also known as the wanderoo, is an Old World monkey native to the Western Ghats of South India. Lion-tailed macaques are diurnal and arboreal.
Lomami Red ColobusSpecies Name: Piliocolobus parmentieri
The Lomami red colobus (Piliocolobus parmentieri) is native to central Africa. The Lomani red colobus monkey has a restricted range in the lowland rainforest between the Lomani River and the Lualaba River in the central Democratic Republic of the Congo.
Lowe’s Mona MonkeySpecies Name: Cercopithecus lowei
Lowe's Mona monkey (Cercopithecus lowei) is an Old-World monkey in the Cercopithecidae family found from Ghana to the Ivory Coast. Lowe's Mona monkeys generally consist of one male and several females.
Lucifer TitiSpecies Name: Cheracebus lucifer
Lucifer Titi (Cheracebus lucifer) is a species of Titi, a New World monkey endemic to South America. It is found in Peru, Ecuador, Colombia, and Brazil. This yellow-handed Titi was described as Callicebus lucifer in 1914.
Suggested Reading: Types of Monkeys