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I just spoke with a park ranger at Lassen Volcanic National Park. I was told that the huge group of California Tortoiseshell butterflies, Nymphalis californica, spend time at the summit pretty much...
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I just spoke with a park ranger at Lassen Volcanic National Park. I was told that the huge group of California Tortoiseshell butterflies, Nymphalis californica, spend time at the summit pretty much...