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Northern tree snake

northern tree snake (Dendrelaphis calligastra)
Mount Lewis, Queensland
Photo © Stephen Zozaya
Dendrelaphis calligastra - (G√ľnther, 1867)
Pronunciation  DEN-drel-AH-fiss   KALL-ee-GASS-trah
Etymology  Dendrelaphis: 'tree Elaphe', after another genus of colubrid snake.
calligastra: 'beautiful-bellied'.
Other names  Dendrophis calligastra
Dendrelaphis calligaster
Total length
Species avg: 80 cm
Species max: 120 cm
Clutch size
Average: 7
Range: 5 - 12
Length and clutch size information comes from a variety of sources, but primarily from Shine (1991) and Cogger (2000).
Description Distribution Natural history Conservation Further information More photos


North-east Queensland. Extralimital in New Guinea.

Found in the following Australian states/territories



Rainforest, tropical woodlands.

Notes and disclaimer
This information may not be complete. While all care is taken to ensure the accuracy of the information in this page, primary sources should always be consulted for definitive information. Animals have an endearing habit of disobeying the rules, so the information on this page should be interpreted with a degree of flexibility.
The author and site operator accepts no responsibility for any losses or damages incurred through using this web site or the information contained herein. Don't get bitten by anything!
This page may be cited as:
  Dendrelaphis calligastra at the Australian Reptile Online Database. Last updated 2017-08-10 10:51:11.
  Retrieved from on the 2nd of December, 2021.
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All photographs in The Australian Reptile Online Database are © the photographer and may not be reproduced in any form without the express written consent of the photographer.
No part of The Australian Reptile Online Database may be reproduced without written permission from Stewart Macdonald.
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