This video says about itself:
The first of three videos covering a birding trip to Bhutan from 17th April to 5th May 2018. It covers the start of the trip from Paro to Darachu and includes the Paro Valley, Chelela Pass, Jigme Dorji National Park, Dochu La Pass, the river valleys and dzong at Punakha, and concluding at Darachu.
The trip was led by David Bishop from David Bishop Tours ably assisted by local guides and a ground crew from Gangri Tours.
These two videos are the sequels.