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Golden Gate Cetacean Research Organization: The Porpoises and Dolphins of the SF Bay Area

February 23, 2016 @ 7:00 pm - 9:00 pm

| $5

2016 SF Bay ACS Presentations
Tue February 23 7pm-9pm
Golden Gate Cetacean Research biologists, Jon Stern, Bill Keener and Izzy Szczepaniak, will present the results of their newest research on the porpoises and dolphins of San Francisco Bay, providing an up-to-date since their last talk for ACS in 2012. The team has been studying two species, harbor porpoises and bottlenose dolphins, from shore and boat for the past 6 years. The team has compiled the first photo-identification catalogs for harbor porpoises and the San Francisco Bay bottlenose dolphins, giving us a window into the lives of individual animals. They will share their observations about the unexpected return of harbor porpoises to the Bay, and the appearance of bottlenose dolphins off our coast. Learn about changes to the Bay ecosystem that played a role in bringing back porpoises, the warm water El Niño conditions that brought bottlenose dolphins up from Southern California, and what this may mean for our coast. Here’s your chance to find out the difference between a porpoise and a dolphin, where to see these fascinating creatures, and what you can do to help in the study of marine mammals in the Bay.

For more information, visit:

Jonathan Stern, Ph.D.
Jon is a biology professor at San Francisco State University. He studied minke whales in the Northeast Pacific Ocean, and conducted research on killer, pilot, fin, humpback and gray whales, as well as bottlenose dolphins. He served as the Conservation Chair for the National Board of Directors for the American Cetacean Society.

William Keener
Bill is a former Executive Director of the Marine Mammal Center in the Marin Headlands. His experience includes work as a field observer for a harbor porpoise population study in the Gulf of the Farallones National Marine Sanctuary conducted from 1987-1989.

Isidore Szczepaniak
Izzy has been studying cetaceans along the local coast since the mid-1970s. His Master’s work in biology at San Francisco State University focused on harbor porpoises.


February 23, 2016
7:00 pm - 9:00 pm
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