
Brown Tree Snake
Boiga irregularis
- Venom
- Venomous
- Constrictor
- Not documented
- Type
- Colubrid
- Family
- Colubridae
- Genus
- Boiga
- Continents
- Oceania
- Countries
- 2
- How common
- Common
- Invasive in
- Guam
About
Brown Tree Snake (Boiga irregularis) is a venomous colubrid of the family Colubridae, found in Guam, Papua New Guinea. It has also been introduced outside its native range (Guam), where it is invasive. It lives in habitats such as tropical rainforest, tropical moist forest, tropical lowland forest, evergreen forest and 17 more. Common: recorded in 805 places on iNaturalist.
Where it lives
Native range
- Guam
- Papua New Guinea
- Introduced: Guam
Habitats
Estimated from where this snake is recorded and what kind of snake it is - not a confirmed habitat survey.
- Tropical Rainforest
- Tropical Moist Forest
- Tropical Lowland Forest
- Evergreen Forest
- Secondary Forest
- Regenerating Forest
- Forest Edges
- Forest Clearings
- Agricultural Land
- Farmland
- Plantations
- Gardens
- Parks
- Urban Areas
- Suburban Areas
- Rural Settlements
- Abandoned Buildings
- Roadsides
- Disturbed Habitats
- New Guinea Lowland Rainforest
- New Guinea Montane Rainforest
Related snakes
- Thackeray's cat snake Boiga thackerayi
- Wall's Cat Snake Boiga walli
- Boiga whitakeri
- Eastern Cat Snake Boiga gocool
- Indian Egg-eater Boiga westermanni
- Gold-ringed Cat Snake (melanota) Boiga melanota
- Schultz' Blunt-headed Tree Snake Boiga schultzei
- Green Cat Snake Boiga cyanea
- Many-spotted Cat Snake Boiga multomaculata
- Collared Catsnake Boiga nuchalis
- Common Cat Snake Boiga trigonata
- Barnes’s Cat Snake Boiga barnesii
Stay safe: a photo or a web page can never tell you for certain that a snake is harmless. Keep your distance, never handle a wild snake, and get medical help straight away after any bite.