Banded Dotterel or Double-banded Plover (Charadrius bicinctus bicinctus) Lake Pukaki near Twizel, New Zealand. Photographed on 19 October 2004.www.inaturalist.org/observations/54232197
A pair of adolescent Killdeers make sure they aren't ignored by their parents as they feed along the mud flats at the edge of Peck's Lake [Arizona]. This went on for a half hour or so!