Compared to tree frogs (Rhacophorus pardalis), torrent frogs (Staurois guttatus) are better able to attach to extremely wet, steep, and rough surfaces.
Although both frog species use their toes, belly and thighs to adhere to surfaces, the torrent frogs increased the use of their belly and thighs as a surface became steeper.
It was also found that the shape of the cells on the toe pads of the torrent frogs were slightly elongated compared to those in the tree frogs.
These cells create channels that help excess fluid drain from underneath the pad, possibly providing a further advantage for holding on.
Read more at University of Glasgow