Green Tree Pythons are a favorite among reptile fans due to their vibrant green color. However, zoo visitors are often amazed to see that newly hatched babies are either bright yellow or brick red. The Houston Zoo recently hatched 18 little Green Tree Pythons, 8 yellow and 10 red. These colors help them hide in their preferred habitat, which is in low lying tree branches along the forest edge. When they grow to about 22 inches long their color changes to bright green - sometimes this color change can occur in only 8 days! The red and yellow colors are not related to sex or any other trait. While these reptiles may eventually reach over 4 1/2 feet in length, at birth they are about the length of a pencil.
(Below) An adult Green Tree Python in its trademark colors
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