Yes, the hawks are super smart and just on the edge of the chimney waiting, it gets pretty nerve wracking because you know the only way the birds are going to get in the chimney is if the hawk gets one of the birds, yet you don't wan the birds to "get it"... yet it's pretty exciting to watch.
Seriously check out some of the youtube videos it is amazing.
This are definitely for a the local market, however I got a custom order for one today and she was from TX.