One of the three wolf snakes of Hong Kong
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https://www.hongkongsnakeid.com/banded-wolf-snake
A pretty little snake, quite harmless, but beware, can be mistaken for the deadly Many Banded Krait. Juveniles more heavily banded, and loves to eat lizards.
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Its linked here
(Or cut and paste this into your browser: https://www.facebook.com/wildcreatureshongkong/ . ) For blogs in Chinese, search for "香港野 hong kong wildcreatures" Linked here. Please also see www.wildcreatureshongkong.info for ID and animal information, and www.hongkongsnakeid.com for snakes.