In Spain we don't have any bird only pet stores. And the pet shops we have sell few bird supplies.
Occasionally in a regular pet store there may be a macaw or a an African grey that someone is trying to sell through the store. My friend got guilt tripped into buying an African grey for almost double the price of a chick. The bird is a year old and was in such bad condition, she'd been plucking, only one tatty flight feather left on her, the rest of her feathers in bad condition and the shop owner was letting everyone pester her, poor thing. He's has her a couple of months and she's looking much better.
My local park has 2 centres, one is marine the other is safari and at the marine centre they will let people hold the macaws if you don't have a child sat close to you. The birds are all donations from people who have passed or couldn't take care of them and they don't breed any of these birds in their parks.
They will talk about them and promote recycling. The girl always holds people's hands in a way they can't drop their arm and scare the bird.
I don't like all zoos/parks but this little place is ok. They aim to educate rather than entertain.
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I would love an all bird pet store to open here but I can't see that happening anytime soon