Himalayan Bull Frogs are common but rarely seen in the himalaya. They are found in thick forest and stream bank between the altitude of 1000mt to 4000mt. In eastern himalaya specially in Darjeeling area this frog is considered to be of medicinal value and a large number of them are caught due to that and that becomes its main threat. In my trek in Singalila NP I found the boy collecting frogs from a small stream. Thank god I could make the understand and released the frog.