iHerp Australia Issue 7 | Page 43

speculative hypothesis, but the changing of seasons might just act as a temporal trigger to start the colour change in native GTPs. References. Shine R., Olsson, M. M. & Mason, R. T. 2000, Chastity belts in gartersnakes: the functional significance of mat- ing plugs. Bio. Jour. of the Linnean Soc. 70(3): 377-390. Maxwell, G. 2003, The Complete Chondro. ECO Pub- lishing, USA, 247pp. Wilson, D., Heinsohn, R. & Endler, J. A. 2006, The adaptive significance of ontogenetic colour change in a tropical python. Biol. Lett. 3(1): 40-43. Wilson, D., & Heinsohn, R. 2007, Geographic range, population structure and conservation status of the green python (Morelia viridis), a popular snake in the captive pet trade. Aust. Jnl. Zool. 55(3): 147-154. My thanks go to Assoc. Prof. Jamie Seymour for prepar- ing the histological material and micro-photography, Prof. Rick Shine for his valuable comments and Dr Cathy Shilton for her professional interpretation of the images. Above: Sorong-locality GTP. Opposite page: yellow and red juvenile GTPs prior to onset of OCC. 2 qtr page ad