Non-Migrant: No. All populations of this species make significant seasonal migrations.

Locally Migrant: No. No populations of this species make local extended movements (generally less than 200 km) at particular times of the year (e.g., to breeding or wintering grounds, to hibernation sites).

Locally Migrant: No. No populations of this species make annual migrations of over 200 km.

Seasonal distribution is poorly known; apparently year-round resident in some areas (e.g., off New Zealand, the British Isles, western North America, and Japan) (Leatherwood and Reeves 1983).