Well, I'll go to the foot of our stairs Mother - I'd have laid money on that being Lear, and instead it's Isherwood - wonderful and thanks very much Nancy, it is just the thing to
get me going on a drab Sunday morning. I am a fan of his, but really only for the Berlin stories (disappointed to find out he was batting for the same side).
Just to make life difficult, there are, apparently, two separate species within the cormorant family - one called a cormorant, and the other a shag - and it seems they are not easy to differentiate (unless I suppose you are a shag or cormorant

)
But think they have perhaps interchangeable names in other parts of the globe. Isn't Kevin our resident ornithologist?