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Bay Nature magazineJuly-September 2016

Latest from dolphins

How Do Marine Mammals Sleep?

August 22, 2016 by Michael Ellis

How do marine mammals sleep? And is sleep essential for their survival?

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Bottlenose Dolphins Move North Into the Bay, Creating a Research Puzzle

March 05, 2014 by Elizabeth Devitt

About 60 coastal bottlenose dolphins have been spotted traveling from Southern California to the waters off Bodega Bay, pushing the northern limit of their range and leaving the scientists who study them with a mystery.


Golden Gate Cetacean Research

July 20, 2012 by Bay Nature

Golden Gate Cetacean Research is a nonprofit organization devoted to scientific research on local porpoises, dolphins and whales (collectively known as 'cetaceans'). The group has done extensive research on the return of harbor porpoises to San Francisco Bay.

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Safe Harbor

July 01, 2011 by William Keener

When William Keener got a report of a harbor porpoise inside San Francisco Bay in 2008, he knew this was big news: They had been absent since World War II. Now, Keener's group of researchers has turned the Golden Gate Bridge into a world-class wildlife observatory where anyone can see porpoises in action. Why have they returned? Did Bay cleanup efforts make the difference? While we can't know for sure, we can celebrate this rare case of a large mammal reintroducing itself into its former habitat.


Catch Some Wild Zzz’s

October 01, 2008 by Mike Koslosky

Animals have to sleep too! But sometimes they do it a bit differently than we do.

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Paddling on the Wild Side

July 01, 2007 by Paul McHugh

Few craft can match a kayak for allowing you to immerse yourself in the watery universe of bay or ocean, moving silently through the world of seals, otters, dolphins, and seabirds. Two of our region's most experienced sea kayakers take us out on the water for up-close and personal encounters with some of the bountiful and charismatic marine life plying our local marine habitats.

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