A sparkling violetear (Colibri coruscans) and a brown violetear (Colibri delphinae) display their neck side-feathers to dissuade each other from using their weaponized bills, which have strongly ...
This is a portrait of a sparkling violetear hummingbird (Colibri coruscans), a native of the Andean highlands. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...
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