Draco melanopogon
—
Black-bearded Flying Lizard
Also known as:
Black-barbed Flying Dragon, Black-bearded Gliding Lizard
Subspecies I've seen:
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D. m. nigriappendiculatus
Black-bearded Flying Lizard
Draco melanopogon nigriappendiculatus
—
Black-bearded Flying Lizard

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This is the preferred stance of flying lizards: vertical, on a medium-to-large diameter trunk, head up, ready to scurry upward if disturbed.
Online references:
- Draco melanopogon account on The Reptile Database
- Draco melanopogon account on Ecology Asia
Printed references:
- Das, I. 2010. A Field Guide to the Reptiles of South-east Asia
- Das, I. 2004. Lizards of Borneo
- Malkmus, R., Manthey, U. Vogel, G., Hoffmann, P., & Kosuch, J. 2002. Amphibians & Reptiles of Mount Kinabalu (North Borneo)