Lesser Black-backed Gull (Rollover Pass)

Here’s a comparison of Semipalmated with a Least. So I think we can see actual black legs here on this sandpiper. It’s a short-winged bird; wings are just atop tail. Bill is short and pretty straight. Overall coloration is fairly pale, not brown. Baird’s and Least are brown-hued birds. Both also have a chest coloration…