The term 'Reddish Monkey' is a reference to the Titi monkey, which is a species of New World monkey found in South America. It is characterized by its reddish-brown fur and long tail. The Titi monkey is an arboreal species, meaning it spends most of its time in trees, and is typically found in tropical and subtropical forests. It is a social species, living in groups of up to 15 individuals, and is known for its loud vocalizations.