Quote Originally Posted by noel View Post
Having now listened to this, it seems the counter argument is that they're not causing any ecological damage. This seems tricky to judge. I'm thinking of all the little impacts on the various birds species (nest sites, food, competition etc), that are probably very hard to quantify.
Don't know about any quantifiable research but macaws and various other 'parrots' have been flying around the streets and surrounding countryside of Kirkby Stephen for years. Over the last 25 years I've been there I think their numbers have dwindled a bit, but they seem to get on with all the locals well enough.

http://edenvalleycumbria.co.uk/kirkby-stephen-parrots/

https://www.theguardian.com/environm...lebrity-status