The curious pipevine flower is our sole local representation of the birthworts, a plant family whose many other species are found mostly in warm and tropical areas of the world.
Five Canyons Open space connects suburban neighborhoods to a network of trails that access Hayward Area Recreation District facilities, Don Castro, Cull Canyon and the Chabot-to-Garin Ridge Trail.
One day, not so long ago, grizzly bears roamed here, chowing down on manzanita berries, beneath giant tree-like manzanitas. Those days ended in in the late 1850s, when Jeremiah Morgan hunted them out, reportedly killing 46 bears in a single year. But this rugged wilderness preserve is still home to mountain lions, eagles and coyotes.
Sibley Volcanic Regional Park offers a self-guided tour of Round Top Volcano, active 10 million years ago. You can pick up a brochure at the Skyline Boulevard staging area. Examples of the park’s rock formations can be viewed at an outdoor display at the entrance. Here are a couple of views from the park and tour.
Bewick’s wrens take dust baths, often at dusk to remove oil from their feathers and potentially control parasites.
Close-up of wing: orange, brown, black, peach, amber, almond, purple, violet, blue, turquoise, cobalt, candy pink and magenta scales. Iridescent colors without names. These colors come from the way light reflects off structures in the wing scales in addition to pigmented color
On a clear September morning, just a few steps from the parking area at Bear Valley Visitor Center in Point Reyes National Seashore, Richard gathered a group of his tracking school students around a picnic table. Just minutes into class, Richard had already dropped to the ground and was belly-crawling towards a small burrow.