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Josh McInnes, "The Ecology of Bigg's Killer Whales"

  • The Bay Model Visitor Center 2100 Bridgeway Sausalito, CA, 94965 United States (map)

Join ACS San Francisco Bay Chapter for a fascinating evening discussing Bigg’s killer whales with Josh McInnes, Research Coordinator at Marine Life Studies.

In the eastern North Pacific three ecotypes of killer whale have been identified: resident, transient, and offshore. Transient killer whales, also known as Bigg’s killer whales, are apex predators that specialize in foraging for marine mammals. This specialization shapes all aspects of their ecology, from foraging, acoustics, social structure, and genetics! Transient killer whales are distributed from Southern California to the Bering Sea, with many sub-populations being socially and geographically

In recent years with changes in ocean ecosystems, there has been an increased interest in understanding how transient killer whales affect prey both directly and indirectly.

Join Josh McInnes as he outlines the natural history and ecology of transient killer whales in the eastern North Pacific.


Josh McInnes is an ecologist who grew up on Vancouver Island British Columbia, Canada. He studied marine biology and ecology with a focus in marine mammals, food web, and community dynamics at the University of Victoria.

Josh has been studying killer whales for over a decade, which has led him to studies abroad in remote locations off British Columbia, Washington, Alaska, California, Australia, and South Africa. He currently lives in Victoria, British Columbia and seasonally in Monterey
Bay, California.

For the last three years Josh has been studying the ecology of toothed cetaceans in Monterey Bay, as the research coordinator at Marine Life Studies.

Josh is also a member of the North Indian Ocean Killer Whale Alliance, a lead researcher at Killer Whales Australia, and a scientific advisor at Ocean Sanctuaries in San Diego.