Sword-billed Hummingbird
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[Photo] Sword-billed Hummingbird (Sword-billed Hummingbird) illustration cropped from the 99th plate illustration from Ernst Haeckel's Kunstformen der Natur (1904).

Sword-billed Hummingbird (Ensifera ensifera) is a species of hummingbird from South America and the sole member of the genus Ensifera.

It is noted as the only species of bird to have a bill longer than the rest of its body. This adaptation is to feed on flowers with long corollas such as Passiflora mixta. The tongue is therefore also unusually long.

http://en.wikipedia.org/wiki/Sword-billed_Hummingbird

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