Parks

The trailside discovery of a Great Horned Owl tail feather sparked this rumination: What are some of the many adaptations that make owls such proficient hunters in the dark, quiet night? Take wing and learn more about their unique traits.

Working with native plants all the time you begin to develop a huge soft spot for them and it becomes easy to forget that not everyone shares the same love and appreciation for our home-grown plants. But the question remains: why?

Most trail names are self-explanatory; they take their monikers from the area’s geographic features or natural resources. But some are a little more cryptic and obscure. In honor of National Trails Day on June 1, we did a little sleuthing into 10 mysterious trail names.

Learn how populations of the Ensatina split in the Central Valley and discover how this little salamander—the textbook definition of a “ring species”—vividly illustrates how nature frustrates the human compulsion to classify and categorize species.

Even Charles Darwin, the preeminent biologist, had trouble defining a species. The more we learn, the harder it gets. Life does not always supply black-and-white categories—which can impact how we conserve and protect the species around us.

Rather than going to your local grocery store, have you ever considered going out to your backyard for tea ingredients? You don’t need to look far to find plants that benefit your health, taste delicious, and—best of all—cost virtually nothing.

2013 marks the 175th birthday of "The Father of the National Parks"—John Muir. Many of us know him as a naturalist, but did you know that John Muir was also an engineer, writer, explorer, botanist, geologist, and the founder of the Sierra Club?

“Leaves of three, let it be. If it’s hairy, it’s a berry. If it’s shiny, watch your hiney.” That famous rhyme can help you pick out poison oak—for part of the year. But, because Toxicodendron diversilobum is deciduous, what about the other seasons?

Grab your cameras and head for the coast—it’s sunset season! With Daylight Savings coming on March 10, soon we’ll have an extra hour to capture those late-winter sunsets. One of our talented photographers shares his must-visit locations in the parks for any photo enthusiast.

Follow the trials and triumphs of a Golden Gate Raptor Observatory intern, as told through several encounters with a particularly mysterious species of raptor—the Northern Harrier.