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Monday, April 11, 2011 - Bryce Canyon National Park, Bryce UT

Hangin' in There, Zion National Park, April 11, 2011
Hangin' in There, Zion National Park, April 11, 2011

Night camp

Site 36 - North Campground, Bryce Canyon National Park, Bryce UT

Vision, Novelty and Fear

Animals see more intense contrasts of light and dark because their night vision is so much better than ours. Good night vision involves excellent vision for contrasts and relatively poor color vision.

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