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California Trails

Bird-Shaped Rock with Ties to Ancient Cultures Discovered

Hikers spotted the unique formation in the Las Trampas Regional Wilderness.

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A pair of hikers looking for distinctive sandstone rock formations in the Bay Area struck gold with their discovery of an outcropping shaped like a bird’s head in the Las Trampas Regional Wilderness. Even better, the hikers also discovered hollowed-out mortars at the scene, suggesting the bird’s head was used by ancient tribes in the region.