Robert Valentic / Indochinese rat snake (Ptyas korros) in garden, Koh Chang, Thailand.

Robin Chittenden / Oriental rat snake (Ptyas mucosa) swimming, Sri Lanka.

Robin Chittenden / Oriental rat snake (Ptyas mucosa), ready to strike, Sri Lanka.

Robin Chittenden / Oriental rat snake (Ptyas mucosa) in water, Sri Lanka.

Robin Chittenden / Oriental Rat snake (Ptyas mucosa) swimming, Goa India

Dong Lei / Green rat snake (Ptyas nigromarginata) Gaoligong Mountain National Nature Reserve, Tengchong county, Yunnan Province, China.

Shibai Xiao / Common ratsnake (Ptyas mucosus) moving over sand on beach, Hainan Island, China.

Michael & Patricia Fogden / Oriental Rat Snake (Ptyas mucosus) portrait, sensing with tongue, India

Ashok Jain / Common Indian Rat Snake, India (Ptyas mucosus)