We spent ten days birding with Norbu who was an excellent birder with extensive knowledge of Bhutan’s birds and culture. His eyesight and hearing was amazing finding us many birds we might not have seen. He is a very friendly, interesting guy and very good company who went out of his way to make sure our trip was enjoyable and that the hotels and meals met our expectations. I would (and have already) recommended Norbu to anyone who is thinking about visiting Bhutan.