Lesser Yellowlegs
Lesser Yellowlegs Tringa flavipes
I've called out the fieldmarks I know. Please feel free to add your own.

You can all easily tell the difference, no? Then try out the next one.

;-P

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Focal length: 1000 mm fStop: 8 ISO: 800 Shutter Speed: 1/500
Alamo, TX - Santa Ana National Wildlife Refuge
Apr 12, 2008