Fauna
Reptile · GBIF taxon 8491752

Emerald Tree Monitor

Varanus prasinus

Also known as Green Tree Monitor

Emerald tree monitors are slender, highly specialized arboreal hunters that spend their lives high in the tropical canopy. A remarkably dexterous prehensile tail acts as a fifth limb, anchoring the lizard securely among branches while it stalks prey or evades predators. When foraging, these agile monitors probe tree hollows and epiphytes with their slender snouts, using razor-sharp claws to scramble effortlessly up vertical trunks.

ArborealReptileCamouflaged
Emerald Tree Monitor reference1 / 3
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & prey
  • Katydids and grasshoppers
  • Stick insects
  • Tree frogs
Predators
  • Birds of prey
  • Arboreal snakes
  • Larger monitor lizards
ThreatsHabitat loss from deforestation and illegal capture for the international pet trade.
HabitatsTropical lowland rainforests, palm swamps, and coastal mangroves.
Life span10–15 years
Classification
  1. FamilyVaranidae
  2. SpeciesVaranus prasinus
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Possesses sharp teeth and needle-like claws; do not corner or attempt to handle.
Why it is dangerous
Capable of delivering painful lacerations with slender, recurved teeth and very sharp climbing claws when restrained.
How to recognize a risky encounter
Bright jade-to-turquoise scales marked with dark chevron-shaped dorsal bands and an exceptionally long prehensile tail.
What to do
Observe from the ground using binoculars; never attempt to shake branches or capture wild individuals.
Responsible observation
  • Spotting Angle: Scan dense epiphytes and mid-canopy vine tangles where their green coloration provides camouflage.
  • Approach Distance: Maintain distance, as sudden movements cause them to rapidly retreat to higher branches.
  • Handling Precaution: Avoid physical capture to prevent distress and defensive biting.
Related species
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