They have smooth skin, occasionally with an 'X'-shaped pattern on their back. Equipped with well-developed adhesive disc at the digits, they easily climb trees.
School of Biological Science, The University of Hong Kong. Checklist of Hong Kong Amphibians - Brown Tree Frog. https://www.biosch.hku.hk/ecology/hkamphibians/ Database/Species_profile/Polypedates_megacephalus.htm
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