| No. Fonte Bibliografica | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
| Ecosistema | Temperate Northern Pacific |
| Status | questionable |
| Abbondanza | |
| Fase di vita | adults |
| Database regionale | |
| Osservazioni | May be vagrant to southern California (Ref. 1522), although still unknown whether the strandings or possible sightings reported represent extralimital strays or normal occurrence (Ref. 1394). M: Ref. 1394, O: Refs. 1522, 1394. |