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Blue Colouration In Green Tree Pythons

Last updated on November 14, 2023

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Green Tree Python on a branch showing blue colour head picture

Genetic Blue Coloured Green Tree Pythons

Green Tree Pythons can be blue in colouration for two reasons. Number one is that certain captive bred lines of Green Tree Pythons have been selectively bred to display blue colouration. This is an inheritable trait that can be passed down from the parents to the offspring. These blue coloured Green Tree Pythons are highly sought after and fetch a very high price. All baby Green Tree Pythons start out as yellow or red in colour and at around a year old they change into the colour they will be as adults. In the case of a Blue morph Green Tree Python you would have to wait for this colour change to know for certain that the snake you are buying or selling is going to be blue in colouration. A baby Green Tree Python cannot be marketed as a blue phase as a hatchling and it is unethical for a breeder to sell babies as a blue phase. Breeding two blue phase Green Tree Pythons does not always result in completely blue offspring and some of these babies can grow into snakes that are green with varying amounts of blue colouration. Normal wild type Green Tree Pythons can also have speckles of blue on their scales. You can start a blue line of Green Tree Pythons by breeding these normal coloured Green Tree Pythons with blue speckling together. Over many generations the amount of blue colour in the adults will increase until you get a pure blue coloured Green Tree Pythons. This type of selectively breeding takes a very long time to achieve the desired results.

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Hormonal Blue Green Tree Pythons

Green Tree Python on a branch showing blue colour

The second reason Green Tree Pythons can be blue in colouration is that when females are ready to breed and are producing egg follicles they turn a blue colouration. This is caused by a hormonal change set off by the hormones involved in reproduction. This happens to normal Green Tree Python females during breeding season and the females go back to their green colouration after the breeding season is over. This blue colouration cannot be passed on genetically and if a female Green Tree Python turns blue during breeding season this does not mean her offspring will be blue.

The Below Pictures Are Of A Female Green Tree Python In A Hormonal Blue Colour Change. These Pictures Where Taken By Neil Barker Who Is One Of Our Members

Green Tree Python on a branch showing blue colour

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