Generally strikes me as a guy who is curious, likes to look into all sorts and share what he discovers.
That's a good summation. His business is over near me so I was aware of him but didn't know his original biology/entomology training. The two items on the woodpecker and the badger were fascinating and new information to me.
Being a bit of a pedant, the only point I would whinge about was that the birch tree was not shown being plugged after tapping. It was mentioned but not actually done; when he collected the bottle the tap was still in the tree.