Both RTH's in the nest area, only the females tail is visible
After the switch-off female stretches her wings,
then rests atop a flagpole, no doubt anticipating her next meal
Saw 4 of these interesting birds I thought were Piping Plovers
Turns out they are Killdeer. I wasn't so far off, they are in the same family and genus as the Piping Plover.