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In case you haven't noticed, I've been playing a lot with black and white processing. This is another shot, in a previously posted series of shots, with these migrating Northern Pintails (Anas acuta) and their Black-Necked Stilt visitor, taken at the San Diego Bay Wildlife Refuge.
This image is free to use under a Creative-Commons Non-Commercial Share-alike license. Be sure to properly attribute the image, and please let me know if you use it.