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Five hours from San Francisco is enough to reach a good chunk of the Sierras and even further north in the area of Lassen and Shasta. There are large areas of national forest within this range. Generally the national forests will have less restrictions than national parks, particularly popular ones like Yosemite. Each national forest will have its own ...


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Another two reasons The first is that humans vary much more than crows do - in behavior and in color (clothing) so they are easier to tell apart. The second is that crows (and birds generally) have much more to gain from distinguishing between different humans than humans have from distinguishing crows. Humans are both a source of resources/benefits for ...



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