It is said that, whilst a crow can be mistaken for a raven, you always know a raven when you see it. But here, sat on… yep… a bit above the door of the Temperate House at Kew, this is definitely a crow.
http://www.rspb.org.uk/wildlife/birdguide/name/c/carrioncrow/index.asp
Since the only ravens in London are at the Tower, and have clipped wings, this has to be the infamous carrion crow. And they are definite posers – it’s something about the way they stand, their favoured perches are things that rise out of the surrounding landscape (benches, desks, etc), and the fact that they are sheer black large lumps.
