How did the hummingbird get its sweet tooth? Scientists unravel mystery.
Like all other birds, hummingbirds lack sweet-taste receptors. Now, science can explain how this tiny bird got its taste for nectar.
Continue Reading http://www.csmonitor.comLike all other birds, hummingbirds lack sweet-taste receptors. Now, science can explain how this tiny bird got its taste for nectar.
Continue Reading http://www.csmonitor.com
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