Buff-breasted Sandpiper
Calidris subruficollis
This species is brown above and has a buff face and underparts in all plumages. It has a short bill and yellow legs. Males are larger than females. Juveniles resemble the adults but may be paler on the rear underparts.
ID text from Wikipedia, CC BY-SA 4.0
Surfbird
Calidris virgata
The surfbird is a large sandpiper, reminiscent of the turnstones or the great knot. It measures 23 to 26 cm (9.1–10.2 in) and weighs 133–251 g (4.7–8.9 oz). The sexes look the same, but the females are slightly larger than males on average. Surfbirds their breeding plumage from March through August, and have white heads, necks breast and belly which are streaked with black, except for the crown which are rusty. The streaking becomes less prominent lower in the body.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Buff-breasted Sandpiper and Surfbird.