Charadriiformes
Scolopacidés
Calidris
ptilocnemis
Rock Sandpiper (Calidris ptilocnemis) is a species of bird in the Scolopacidae family.
Grassland : Tundra ; Wetlands (inland) : Tundra Wetlands (incl. pools and temporary waters from snowmelt) ; Marine Intertidal : Rocky Shoreline, Mud Flats and Salt Flats, Tidepools