Thank you for your answers. I really think it looks more like a bird, but I'm probably wrong. I just went to flickr and google images and yes, the hummingbird hawk moth does look very much like what I saw. I think that makes the fact it was feeding in a downpour even more surprising!
Here are a couple of blurry stills captured from the video.
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Last edited by bernieszu at 24/09/2009 23:30 ]