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Titi

 

Titi





16 species, see text

Titi, or titi monkey, is the common name for the New World monkeys of the genus Callicebus. They are the only members of the Callicebinae subfamily, which is the sister clade to the remainder of the Pitheciidae family.

Titis live in South America, from Colombia to Brazil, Peru and north Paraguay.

The different titi species vary substantially in size and coloring but resemble each other in most other physical ways. The fur is long and soft and it is usually reddish, brownish or black and with a lighter underside. Some species have a bright collar or black stripes at the head. The tail is always furry and is not prehensile.

Diurnal and arboreal, titis predominantly prefer dense forests near water. They easily jump from branch to branch, earning them their German name, "jumping monkey". They sleep at night, but also take a midday nap.

Titis are territorial. They live in family groups which consist of parents and their offspring, about three to seven animals. They defend their territory by shouting and chasing off intruders. Their grooming and communication is important for the co-operation of the group. They can typically be seen in pairs sitting or sleeping.

The diet of the titis consists mainly of fruits, although they also eat leaves, insects, bird eggs and small vertebrates.

Titis are monogamous, mating for life. The female bears a single young animal after about a five-month gestation. The father cares for the young, carrying it and bringing it to the mother only for nursing. The young are weaned after 5 months and are fully grown after a year. After two to three years they leave their family group in order to find a mate. Their life expectancy is up to 12 years.

Classification


Not listed in this tree are two new species discovered in 2002: Callicebus bernhardi and Callicebus stephennashi. A third new species' name was auctioned off: GoldenPalace.com Monkey, Callicebus aureipalatii. These three species are not list below because it is unknown which of the groups they fit into.

  • Subfamily Callicebinae
  • * Genus Callicebus
  • ** C. modestus group
  • *** Rio Beni Titi, Callicebus modestus
  • ** C. donacophilus group
  • *** White-eared Titi, Callicebus donacophilus
  • *** White-coated Titi, Callicebus pallescens
  • *** Olalla Brothers's Titi, Callicebus olallae
  • *** Rio Mayo Titi, Callicebus oenanthe
  • ** C. moloch group
  • *** Ashy Black Titi, Callicebus cinerascens
  • *** Hoffmann's Titi, Callicebus hoffmannsi
  • *** Baptista Lake Titi, Callicebus baptista
  • *** Red-bellied Titi, Callicebus moloch
  • *** Brown Titi, Callicebus brunneus
  • *** Coppery Titi, Callicebus cupreus
  • *** Ornate Titi, Callicebus ornatus
  • *** Atlantic Titi, Callicebus personatus
  • **** Callicebus personatus personatus
  • **** Callicebus personatus nigrifrons
  • **** Callicebus personatus melanochir
  • **** Callicebus personatus barbarabrownae
  • *** Callicebus coimbrai
  • ** C. torquatus group
  • *** Black-handed Titi, Callicebus medemi
  • *** Collared Titi, Callicebus torquatus
  • **** Callicebus torquatus lugens
  • **** Callicebus torquatus lucifer
  • **** Callicebus torquatus regulus
  • **** Callicebus torquatus torquatus
  • **** Callicebus torquatus purinus


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