Oops, I see I made a mistake , I wrote cliff swallow, meaning this brown swallow (Ptyonoprogne rupestris),nesting in rocks and sometimeson buildings in southern europe and the alpes.
But when I looked at your answer and the answers of the others, Jane, I saw that the species is called crag martin and cliff swallow seemed to be something different.
I looked it up; a north american, Hirundo pyrrhonota. I do not have much knowledge of the nearctic birds and could not have thought of that species, because I didn´t know it.
I meant the crag martin, but perhaps I shouldn´t get full points here?
Well, never mind , I will have look at the next.
By the way, was I right about the tree?
I looked this up in the