Hummingbirds

Just a superbe presentation;

Hint: Watch this on full screen. If you don't know how. . . go to the lower right corner of the YouTube presentation. You'll find a symbol that looks something like this:

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Click on that and the video will take up the full screen of your computer monitor.
If you want to get out of full screen, just press Esc(ape).

Now . . . enjoy:

http://www.youtube.com/watch_popup?v=hjnc1kHMDDo&feature=player_embedded?