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Neil Niels, Very interesting skulls. How are you doing on the paper? I am definitely not even an amateur on Chamaeleo skull morphology, but I wonder if the various shapes of the cranium reflect on various modes of sound perception? Any thoughts?

Substrate tremulations The tremulation topic came up about ten years ago from work done by Kenneth Barnett: Barnett, Kenneth E., Reginald B. Cocroft, and Leo J. Fleishman. “Possible Communication by Substrate Vibration in a Chameleon.” Herp Beat, May, 1999. Vol. 10, Issue 5,. I noticed...

Thanks Chris! With all of that muscle mass these fellows must pack a nasty bite! I was initially speculating that the casque might provide some mass for the transmittal of substrate-borne tremulation - acoustical energy transmitted into the branches that they are perched on. But when I saw the...

Dear Chameleon friends, Does anyone know about the anatomy of the casques in various species? In the veiled chameleon (and others) it is a bone arbor - sort of like a cage. What is it filled with? Is it a fatty lipid, or does it have good blood circulation? I am asking not as a chameleon...