For people who have hummingbird feeders, Matt Shetzer recommends they change the contents every couple days, and discard the water if gets cloudy at all. Also, feeders should be occasionally rinsed ...

From hummingbirds to cardinals, bird feeders to bird flu — here are more stories about the winged creatures we love to see in our backyards (and beyond). Eleven hummingbird species have been spotted ...