open space in the Silicon Valley Hiking Mass Butterfly Migrations May 15, 2026 Thousands of California tortoiseshell butterflies are migrating across the Santa Cruz Mountains in a rare boom-year spectacle. Blooming California Fetid Adderstongue February 16, 2026 Northern Harriers in the Silicon Valley January 3, 2026 What is That Turkey Vulture Doing? November 24, 2025 Things to Look For on Your Winter Hike November 24, 2025 Fog Sipping Coastal Redwoods July 25, 2025 Wildlife and Birding in the Silicon Valley More Birding Northern Harriers in the Silicon Valley Birding What is That Turkey Vulture Doing? Birding Wing-Spreading in Steller’s Jays Birding MeadowLarks Versus Horned Larks Birding Interspecific Feeding: Why That Dark-eyed Junco is Raising a Cowbird Birding Blue Birds in the Santa Cruz Mountains
