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Trip Report

Hopper's Killer Whale Pod and Humpbacks in Monterey Bay

Saturday, October 3, 2026

Glassy, calm water across Monterey Bay set the stage for a compelling behavioral interaction during our sunset trip aboard Sanctuary. We encountered three killer whales belonging to Hopper's pod, traveling under quiet evening light while surrounded by a heavy presence of humpback whales.

Throughout the encounter, nearby humpbacks intermittently moved in to escort and push Hopper’s pod out of the immediate area. This deliberate, assertive behavior from humpbacks toward mammal-hunting Bigg's killer whales is well-documented in the bay, often functioning as an active disruption of orca presence and potential predatory hunting, even when no active predation is underway.

Across our morning, mid-day, afternoon, and sunset departures, the bay remained remarkably active. In total, we documented approximately 60 humpback whales dispersed throughout the area, alongside an estimated 2,000 California sea lions and a traveling pod of 500 long-beaked common dolphins taking advantage of the flat surface conditions.

Watching the subtle shifts in posture between these apex predators and the humpbacks against an immersive sunset offered a clear look at Monterey Bay's interspecies dynamics. Days with mirror-calm seas provide an honest, unhurried perspective on how these animals share the water.