And nesting, the smaller hole nesting birds, blue tits, nuthatches are ok, it’s the larger hole nesters green and great spotted woodpeckers, little owls are getting out muscled and losing out.
Tbh I’d be culling the parakeets before they get as out of control as London , and Canada geese everywhere as they’ve definitely taken over and are a pain in the arse.
We did it about ten years ago with ruddy ducks over supposed hybridisation with white headed ducks in Spain , when ruddy ducks had never been seen in Spain, we managed a 98.2% eradication.
I’m not making the name up, they are called ruddy ducks and the looked like this
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