Non-Migrant: No. All populations of this species make significant seasonal migrations.
Locally Migrant: Yes. At least some 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.
Distribution tends to shift south and inshore during cooler months, north and offshore summer through fall; movement possibly are related to the availability of spawning squid (Leatherwood and Reeves 1983, Jefferson and Newcomer 1993).
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