I have come to the conclusion that 109 is one of Elisa's lambs. The two are inseparable and 109 is the only sheep, apart from Elisa, who is completely tame.
Here you can see how the black sheep have turned a dark chocolate colour. They don't seem to mind the heat, they have plenty of shade under the birch trees and the lake to paddle in (but they don't go far).
We met R.'s father at the Shell Station on Saturday. He told us he had found a lynx asleep under a tree behind his house. That's a bit too close for comfort.