More western species show up when they are migrating, and the ruby-throated hummingbird sometimes will stay longer than usual. Ruby-throated hummingbirds are typically the only species of hummingbirds ...

I call nonbreeding species in our region "out-of-season, out-of-range birds." Maryland now has four documented nonbreeding hummingbird species on the state list: rufous, calliope, Anna's and Allen's ...