White-rumped sandpiper
…no subspecies recognised. A 2022 molecular phylogenetic study by David Černý and Rossy Natale found that the white-rumped sandpiper was sister to the least sandpiper (Calidris minutilla). The white-rumped sandpiper is placed in the order Charadriiformes along with gulls, alcids, plovers and oystercatchers. Its family…