Latest Articles

Ask the Naturalist: Why Are Sea Hares Multiplying In Lake Merritt?

May 26, 2015 by Bay Nature Staff

Nearly 100 giant sea slugs have been spotted in Oakland's Lake Merritt -- and they're breeding! But why? We asked Cal Academy's Terry Gosliner about this sudden influx.

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Pro-Grazing Pieces Don’t Do a Full Accounting of Livestock Costs

May 25, 2015 by Eric Simons

An ecologist argues that the presumed benefits of grazing—if they are real in the first place--can only be realized in small areas and/or result in excessive widespread collateral damage to wildlife, soils, water, and vegetation.

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The Ballad of Bodega Head

May 20, 2015 by Kenneth Brower

Fifty years ago, a small group of activists took on corporate America to keep nuclear power off the North Coast. The battle they fought changed their lives -- and American environmentalism.

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Driving Home the Butterfly

May 18, 2015 by Eric Simons

The endangered Mission blue butterfly flies again on Twin Peaks, thanks to a dedicated six-year transplant effort that might be in its last year.

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Ask The Naturalist: What’s That Weird Ball Coming Out Of That Bird’s Mouth?

May 14, 2015 by Allen Fish

For birds of prey, this may be the closest equivalent to a cat's hairball. The pellet is a necessary means to get rid of indigested material.

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What People Talk About When They Talk About Sage Grouse

May 13, 2015 by Eric Simons

How the greater sage grouse, a chicken-like resident of the sagebrush prairie, became what some call the most important conservation story in a generation.

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Flood Control 2.0

May 12, 2015 by Ariel Rubissow Okamoto

Scientists look to the zone where creeks meet the Bay to guide our response to extreme storms and sea level rise.

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A Pretty Pink Nudibranch Moves North, and It’s a ‘Canary in the Tidepool’ for Climate Change

May 10, 2015 by Kaitlyn Kraybill-Voth

At low tide on the North Coast right now, the tidepools teem with Hopkins' rose nudibranchs. “This is not normal business as usual," says scientist Terry Gosliner.

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Pro: Public Lands Need Cattle to Meet Conservation Goals

May 08, 2015 by guest

A livestock advisor who promotes biodiversity on grazing lands explains why cattle can be beneficial to conservation.

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Con: Cattle Grazing Is Incompatible with Conservation

May 07, 2015 by guest

Two experts on grazing offer their opinion on why cattle should be barred from public lands.

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Spring Brings Peak Bird Biodiversity

May 05, 2015 by Josiah Clark

For birdwatchers, this is the most exciting time of year. Everything knows where it's going and it moves fast.

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Calochortus Lilies Catch the Eye

May 04, 2015 by Lech Naumovich

It’s the calochortus lily's floral display that catches everyone’s eyes: from the pendant snowy drops of the white fairy lantern to the purplish hirsute petals of Tolmie’s pussy ears to the open golden landing pad adorned with rich burgundy splashes of the yellow mariposa lily, the flowers of this genus regularly inspire awe and cause digital camera cards to fill up quickly.

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Shaping Ocean Plastic into Awareness

April 23, 2015 by Paul Epstein

Engaging kids in art is second nature to renowned environmental artist and mom Lee Lee, whose collaborative art tiles project, DEBRIS, sprung out of her concern for her newborn son Thatcher's future in a world overrun by single-use plastics.

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How Green is My Valley!

April 15, 2015 by Lisa M. Krieger

A new preserve in the Coyote Valley curbs tech sprawl.

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