Chimney Swifts would be the type of swift that breeds in your part of the world. They apparently[0] use the insides of brick chimneys to build nests, so if you

Chimney Swifts would be the type of swift that breeds in your part of the world. They apparently[0] use the insides of brick chimneys to build nests, so if you have one of those simply leaving it uncovered during the spring and summer might give them the opportunity to nest. [0] https://www.allaboutbirds.org/guide/Chimney_Swift/lifehistory https://www.allaboutbirds.org/guide/Chimney_Swift/lifehistor...