Back Start Next When it's winter in the north, many hummingbirds are in Central America on their wintering grounds. Warm temperatures, fresh flowers, and lots of insects make this a great habitat for a winter home. But every year, in late-winter and spring, many hummingbirds, including the ruby-throated and rufous hummingbirds leave Central America on a long journey north. Why don't they stay in the warm south? Why do you think the hummingbirds leave their winter home and head north? Let's see what clues we can find on a map . . . Photo credit: Mila Zinkova