Answer
The PIER 39 pinniped population is not captive; therefore, counts can fluctuate due to seasonal movement, food supply, weather, and breeding behavior.
Last verified: 2026-06-06
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What factors contribute to variations in pinniped counts at PIER 39?
The PIER 39 pinniped population is not captive; therefore, counts can fluctuate due to seasonal movement, food supply, weather, and breeding behavior.