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Observing wildlife in December showcases cold water thermoregulation piling and social hierarchies at the haul-out site. High-activity period with 300-400 sea lions.
Last verified: 2026-06-07
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Sea Lions Pier 39 observation in December: Wildlife behaviors and territorial vocalizations
Observing wildlife in December showcases cold water thermoregulation piling and social hierarchies at the haul-out site. High-activity period with 300-400 sea lions.