Believe Raymond is correct --> Spotted Sandpiper (winter plumage) - - Was very much alone and easily spooked.
Morning walk around De Soto National Monument Park.
Best viewed in 'original' size.
Nikon D800
,AF-S VR Nikkor 70-200mm f2.8G with TC-20 E II 1/320s f/18.0 at 600mm iso720
DX Image Cropped 4x6" Landscape Reduced to 140 ppi for Internet Viewing
full exif