Anna's hummingbird flying in the experimental setup, drinking sugar water from a fake flower. Credit: Lentink Lab / Stanford University. Anna's hummingbird flying in the experimental setup, drinking ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Usually, you hear them before you see them, the buzzing sound of rapid wing beats alerting you to the return of hummingbirds to Colorado backyards in spring. What a pleasant surprise when you finally ...