Long, sexy tails don't sap male hummingbirds'energy reserves. See hummers up close and hear their chirp through the microphones at Songbird Prairie

Long, sexy tails don’t sap male hummingbirds’ energy reserves

 

Washington, Mar 13 (ANI): The long tails sported by male birds in the tropics are often considered a distinct disadvantage because they lead to as much as a 50 percent greater energy loss when flying. Now, however, a new study has shown that they exact only a minimal cost in speed or energy. Continue…

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