Hummingbirds:

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• Hummingbirds
• A route of evanescenceWith a revolving wheelA
  resonance of emerald,A rush of cochinealAnd
  every blossom on the bushAdjusts its tumbled
  head, --The mail from Tunis, probably,An easy
  morning's ride.
• -Emily Dickenson

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Tiny hummingbird Both wings and heart beat
quickly How adorable.
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Trochilidae Fly Backwards
Rapid Beating Hum
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http//hummingbirdworld.com/h/native_american.htm
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Hummingbird Flight

• http//www.hummingbirds.net/images/figure8.mov

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Size
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(No Transcript)
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Hummingbird Metabolism
X 270
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Diet
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Evolved Recently
Related to Swift
No Fossil Evidence
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Poor Smell
Narrow Beaks
Color Red
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Annas Hummingbird
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http//www.youtube.com/watch?vNMErQg0dFDs
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Annas Hummingbird and the Mojave Desert Ecosystem
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Human Influence