The Javan Surili (Presbytis comata) is an endangered species of Old World monkey endemic to the western half of Java, Indonesia, a biodiversity hotspot. Other common names by which it is known by include Gray, Grizzled or Sunda Island Surili; Grizzled or Stripe-crested Langur; Javan Grizzled Langur; Grizzled, Java or Javan Leaf Monkey; Langur Gris.
