{
  "@context": "https://schema.org",
  "@type": "Taxon",
  "slug": "proboscis-monkey",
  "name": "Proboscis Monkey",
  "scientificName": "Nasalis larvatus",
  "category": "Mammal",
  "summary": "The proboscis monkey (Nasalis larvatus) is a large, reddish leaf-eating monkey found only on the island of Borneo, where it lives in mangroves, peat swamps, and riverine forest. Males are unmistakable for their huge, drooping noses and can weigh up to 24 kg, far more than females. Strong swimmers, they cross rivers and can move at up to 24 km/h. They live around 15 to 20 years and are listed as Endangered.",
  "conservationStatus": "Endangered",
  "taxonomy": {
    "kingdom": "Animalia",
    "phylum": "Chordata",
    "class": "Mammalia",
    "order": "Primates",
    "family": "Cercopithecidae",
    "genus": "Nasalis"
  },
  "stats": {
    "weightKg": 20,
    "lengthM": 0.75,
    "topSpeedKmh": 24,
    "lifespanYears": 20
  },
  "facts": [
    {
      "label": "Scientific name",
      "value": "Nasalis larvatus"
    },
    {
      "label": "Diet",
      "value": "Herbivore — leaves, unripe fruit, seeds, and flowers"
    },
    {
      "label": "Habitat",
      "value": "Borneo mangroves, peat swamp, and riverine forest"
    },
    {
      "label": "Lifespan",
      "value": "15–20 years in the wild"
    },
    {
      "label": "Weight",
      "value": "10–24 kg (22–53 lb); males much larger"
    },
    {
      "label": "Top speed",
      "value": "Up to 24 km/h (15 mph); strong swimmer"
    },
    {
      "label": "Conservation status",
      "value": "Endangered (IUCN)"
    }
  ],
  "range": {
    "nativeRange": "Endemic to Borneo — mangroves, peat swamp, and riverine forest in Sabah, Sarawak, Kalimantan, and Brunei.",
    "continents": [
      "Asia"
    ]
  },
  "sources": [
    {
      "citation": "IUCN Red List — Nasalis larvatus.",
      "url": "https://www.iucnredlist.org/search?query=Nasalis%20larvatus&searchType=species"
    },
    {
      "citation": "Animal Diversity Web — Nasalis larvatus. University of Michigan Museum of Zoology.",
      "url": "https://animaldiversity.org/accounts/Nasalis_larvatus/"
    }
  ],
  "lastReviewed": "2026-07-16",
  "canonicalUrl": "https://globalanimalguide.org/animals/proboscis-monkey/",
  "license": {
    "name": "CC BY-NC 4.0",
    "url": "https://creativecommons.org/licenses/by-nc/4.0/",
    "attribution": "Global Animal Guide — https://globalanimalguide.org/animals/proboscis-monkey/",
    "note": "Free to reuse for non-commercial purposes with attribution and a link back to the canonical page."
  }
}