I've spotted them twice recently, flying in formation over the station - six beautiful green parakeets. Has anyone got photos of them? They're always too fast for me. Found these pics on Flickr of other London parakeets. In fact, there's a whole Flickr group for them! https://www.flickr.com/groups/67648996@N00/ Which reminds me - Big Garden Birdwatch coming up on 24-25 January, do take part and s…