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User / Bill Bowman
Bill Bowman / 973 items

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First blush of sunlight on the Indian Peaks from Red Rock Lake. The ice that has formed here is probably short lived, with a week of winds and warmer the usual temperatures ahead. The forecast this morning was for clear skies, which thankfully didn't hold true.

Tags:   sunrise Red Rock Lake Indian Peaks Rocky Mountains frozen lake rosy fingers of dawn rhododactylos eos reflection Niwot Ridge

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This dominant bull elk had the largest harem I've ever seen, with around 45 members, not all of them eligible females (a few young bull hangers-on and adolescent elk). There were seven other bulls lurking around on the periphery, and around 40 humanoids watching from 3 sides (some unfortunately not so smart, getting too close). Despite the multiple causes for his anxiety he seemed to have things under control.

Tags:   Elk bull elk Cervus canadensis wapiti Rocky Mountain National Park elk harem

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A compressed view to the Continental Divide from rural Boulder Colorado after the first major winter storm of the season. The green leaves on the trees indicate this is a bit out of the ordinary. The skyline is dominated by the Arapaho Peaks above 13,000 feet (4000 m). Note the red-tail hawk perched on a dead branch in a cottonwood tree on the left side of the photo .

Tags:   fall sunrise snow Boulder Colorado Arapaho Peaks Indian Peaks Rocky Mountains Sunrise

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Fall colors in aspen leaves show up best in cloudy, stormy conditions, when the aspen take up electrons from the charged atmosphere and radiate energy back as visible light. In addition, the white trunks elongate and the trees become a bit taller. Well, maybe I made all this up, but hey, I'm a scientist in the age of alternative facts!

Mosaic of aspen clones off the Kebler Pass road in central Colorado, just below a volcanic dike in the Ruby Range. Each color patch is a clone, an individual with different stems (trees) derived from underground stems (a non-alternative fact!).

Tags:   aspen Populus tremuloides autumn colors fall colors Ruby Range Kebler Pass Colorado alternative facts

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Aspen leaf showing off the water repellent properties of the leaf surface.

Tags:   aspen leaf Populus tremuloides fall colors autumn colors Autumn University of Colorado Mountain Research Station hydrophobic water repellent


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