Garigal NP- Green Tree Snake

On our final excursion of the term we came across two green tree snakes (Dendrelaphis punctulatus). Green tree snakes can reach a length of 1.2m and are extremely variable in colour, ranging from blues, blacks, browns and greens. They belong to a group of snakes called Colubrids and of venomous snakes have the least efficient method of envenomating prey. They have sharp teeth, especially a pair of fanges found deep within the mouth. These teeth do not have the hyperdermic capabilities of Elapids or Vipera, rather they puncture the skin of the prey and then the snake chews on the victim working venom (in siliva into the wounds). Some colubrids such as the Brown Tree Snake (Boiga irregularis) have very similar toxins to cobras yet the method of delivery is poor enough that they aren’t considered a worry. They are found all over the Eastern coast of Australia from roughly Sydney all the way up to and past Cairns.

The above picture was taken using one of the work cameras, a Nikon D300 (D300, 24-120, f8, 1/500, iso 640). I captured this specimen showed the children and these shots were taken upon release. The length of this snake would be lucky to make it to 0.5m. Good way to end a term.

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~ by adamrose on July 9, 2010.

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