Butterflies of Pier 94 November 15, 2017

Posted by GGAS in Conservation, Golden Gate Audubon

By Ilana DeBare

We often talk about the bird life at Pier 94, the former waterfront dump site owned by the Port of San Francisco that we have been restoring as wildlife habitat since 2002. But Pier 94 is also becoming rich habitat for butterflies!

With support from a private family foundation, we contracted with San Francisco lepidopterist Liam O’Brien to conduct a year-long survey of butterflies, …

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Cosco Busan oil spill – 10 years later November 6, 2017

Posted by GGAS in Conservation, Golden Gate Audubon

By Ilana DeBare 

Ten years ago — on November 7, 2007 — the Cosco Busan container ship struck a tower supporting the Bay Bridge and released 54,000 gallons of fuel into San Francisco Bay.

The spill was disastrous for wildlife, killing thousands of birds and blackening shorelines throughout the region.

Golden Gate Audubon Society played a leading role in documenting the damage, mobilizing …

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Who named this bird and why? October 30, 2017

Posted by GGAS in Birding

By Steve and Carol Lombardi

So there I was, standing in a marsh staring at a bird that my Sibley’s field guide identified as N. nycticorax or Black-crowned Night-Heron. As I leafed through my field guide I found myself wondering where the scientific and English names came from, who decided on the spelling, why the scattered capitals, and really—who jammed those hyphens into the common name?

Of course,…

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Celebrating our Centennial at Lindsay October 29, 2017

Posted by GGAS in GGAS Centennial, Golden Gate Audubon

By Ilana DeBare

Talk about grand finales! Golden Gate Audubon Society’s traveling Centennial exhibit arrived at its final venue of 2017 this month – Lindsay Wildlife Experience in Walnut Creek – and looked like it had been designed to fit that exact space.

Over 150 GGAS members and friends gathered to launch the exhibit on Sunday, October 15, a beautiful afternoon that came after the week of terrible…

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Pterosaurs – older and bigger than birds October 24, 2017

Posted by GGAS in Birding

By Jack Dumbacher

Powered flight is perhaps the most iconic ability of birds. Their feathers and wings have set them apart from other vertebrates, and they have amazing adaptations that have allowed them to master flight, including special lungs and airsacs to capture oxygen incredibly efficiently, and hollow or reduced bones and no teeth to cut down weight.

There are many ways to get into the skies, and …

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