UPDATE 1st June, 2018: We just set up snake_ID, a cool new page that simplifies snake identification. Be sure to check it out!

Boiga irregularis

Brown tree snake

Venomous 💀💀💀 Dangerous ref
Images provided by Flickr-/iNaturalist-API. Sporadic false assignments may occur.
  • Snake Length

  • ??? cm - 310 cm ref
  • Dentition

  • rear-fanged
  • Weight

  • 16 gr - 1510 gr ref
  • D.movability

  • fixed
  • Pupil shape (closed state)

  • slit (or elliptical) 
  • Teeth/Fang Length

  •           

Altitude range

Vertical distribution

??? to ??? meter above sea level (a.s.l.)

Subspecies & Common Names


Boiga irregularis  0 DE Braune Baumschlange, Braune Nachtbaumnatter, EN Brown Cat Snake, Brown tree snake, Eastern Brown Tree Snake, Night Tiger, IT Serpente bruno arboricolo

Full Taxonomy

  • I. Superfamily Colubroidea

  • Colubrids, elapids and vipers
  • II. Family Colubridae

  • Colubrids
  • III. Subfamily Colubrinae

  • Colubrids
  • IV. Genus Boiga

  • Cat snakes
  • V. Species Boiga irregularis

  • Brown tree snake
  • VI. snakeID

  • 1646