How do hummingbirds avoid freezing in cold weather?

Both previous answers are correct in some regards. Many species of Hummingbirds migrate after breeding season is over. Some do not. Migration is triggered by the solar day, not the availability of food or declining temperatures. read more

Even Ruby-Throated Hummingbirds have been known to use torpor as a survival strategy if body fuel resources are too low to survive the nights in cold temperatures. The species of hummers that are found in North America are much more cold hardy that you might think. read more

How to Keep Hummingbird Nectar From Freezing. There are several tricks that can help keep hummingbird nectar from freezing even in the coldest weather. Sweeter Nectar: The typical hummingbird nectar recipe is a solution of one part sugar to four parts water, and this solution begins to freeze at 27 degrees Fahrenheit (-2.8 Celsius). read more

How to Feed Hummingbirds in Winter Cold: We often are asked to field questions about hummers that spend the winter in colder climes and what we humans can do to help ease some of their struggles. Some steps you can take to keep the nectar from freezing. Bring feeders indoors to warm/ defrost and rotate out with other feeders. read more