Harbor seals (Phoca vitulina) - known also as "common" seals - are, as their names imply, historically found in proximity to the coastal marine activities of humans. Restricted to the northern hemisphere, they have been a source of food and of myth for traditional peoples throughout their range. For most modern societies they are presently seen as sharing or competing for desirable fish or beachfront real estate in areas where they have not been displaced entirely.
Although a few harbor seal colonies have become relatively tolerant of human disturbance, the vast majority are not. Loud noises, sudden movements, even the silent approach of kayakers near their resting areas ("haulouts") and pupping beaches ("rookeries") will send them fleeing into the water. To avoid such stress - and get a secure rest - usually they seek secluded rocks or isolated coves for their home territories. Most of their lives will be spent within a short distance from where they are born.
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