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Back home on the West Coast my folks have kept a number of feeders for at least 25 years. In the first years The Rufous would show up and later on in the season, The Calliope's. You might find several dozen sitting on our clothesline, and so many crowded our feeders that you could walk out with a spoon full of nectar and have them buzzing around your head, supping straight out of the bowl.
Nowadays, because of habitat fragmentation South of the border, not so many make the trip North. A few Calypte anna (Hannah's Hummingbird) have moved into the neighborhood as global warming pushes their range inland, but they seem a bit shy.