| Calidris ptilocnemis (Coues, 1873) Rock sandpiper | 
| No Picture Available | 
| Family: | Scolopacidae (sandpipers) | |||
| Max. size: | ||||
| Environment: | others; marine | |||
| Distribution: | Northeast Pacific: Salish Sea. | |||
| Diagnosis: | ||||
| Biology: | Closely resembles its North Atlantic counterpart, the Purple Sandpiper (Ref. 87784). Found along rocky-shorelines of the Pacific coast of northwestern North America (Ref. 93905). | |||
| IUCN Red List Status: | (LC); Date assessed: 05 July 2024 Ref. 123251) | |||
| Threat to humans: | harmless | |||
| Country info: |  | |||