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Peregrine Falcons of Pine Canyon

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Ladybug Time

An attractive but not-so-innocent littlesojourner on Mount Diablo

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Ticks and Lyme Disease

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Hard Chaparral

Plant Communities of Mount Diablo State Park

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Soft Chaparral

Plant Communities of Mount Diablo State Park

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Vernal Pools

Plant Communities of Mount Diablo State Park

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Grasslands

Plant Communities of Mount Diablo State Park

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Tarantulas: The Gentle Giants of Mount Diablo

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Alameda Whipsnake

Placed on Federal Threatened Species List

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Northern Pacific Rattlesnake

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Blainville's Horned Lizard

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California Red Legged Frog

California Red Legged Frog