Fig. 1. Adult beginning pre-basic molt. This bird retains some of the reddish coloration below the eye and a relatively extensive black-belly patch.

Fig. 2. More advanced individuals than in Fig 1.

Fig. 3.

Fig. 4. Wing-stretching, showing the diagnostic black axillaries.

Fig. 5. Adult in pre-basic molt.

Fig. 6. Fresh juvenile plumage. The yellowish tone to the spotting on the crown and mantle is suggestive of one of the golden-plovers, however that large head and bill and the whiter spots on the wing coverts indicates a Black-bellied Plover.