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Robert Folzenlogen

Robert Folzenlogen is a naturalist, author and physician who has written twelve outdoor guides.
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Carbon & Life by Robert Folzenlogen Posted in: Blog Posts in Recreation While carbon is the fourth most common element in our solar system, exceeded only by hydrogen, helium and oxygen, it is but a tiny fraction of the elements on Earth, which ... Read on »
From Summer to Winter by Robert Folzenlogen Posted in: Blog Posts in Recreation Following a week of summer-like weather, with afternoon highs at or near 70 degrees F, winter conditions have returned to the Colorado Front Range.  A chilly rain fell over ... Read on »
The Birds of Summer by Robert Folzenlogen Posted in: Blog Posts in Recreation All across the Northern Hemisphere, birders will be checking their backyards and local nature preserves over the next few weeks, watching for the arrival of summer resident ... Read on »
The Escalante River by Robert Folzenlogen Posted in: Blog Posts in Recreation The upper tributaries of the Escalante River rise on the Aquarius Plateau of southern Utah, a mesa capped by Tertiary volcanic rock and flanked by colorful outcrops of the ... Read on »
Up to the Pines by Robert Folzenlogen Posted in: Blog Posts in Recreation Along the Colorado Front Range, ponderosa pine woodlands cloak sunny slopes of the foothills and lower mountains, generally from elevations of 6500 to 9000 feet.  These lar ... Read on »
The Problem with Obamacare by Robert Folzenlogen Posted in: Blog Posts in Recreation As Conservative Republicans continue to attack the Affordable Care Act, commonly known as Obamacare, distracting the electorate from their opposition to the rights of the m ... Read on »
Western Grebes in Colorado by Robert Folzenlogen Posted in: Blog Posts in Recreation Having just returned to Colorado, I saw the first western grebes of the season this morning; a pair of those slender divers was feeding on a lake in South Platte Park, in L ... Read on »
April on the Great Plains by Robert Folzenlogen Posted in: Blog Posts in Recreation Driving west on I-70, I entered the Great Plains of North America several miles west of Topeka, Kansas; there, the rolling, wooded terrain of the Kansas River Valley gives ... Read on »
Birds on a Wire by Robert Folzenlogen Posted in: Blog Posts in Recreation Many bird species perch on wires from time to time but some are more likely to engage in that practice.  Among raptors, American kestrels are commonly spotted on power line ... Read on »
Snake Watching by Robert Folzenlogen Posted in: Blog Posts in Recreation Today's warm, sunny weather lured garter snakes from our rock wall for the first time this season.  Over the course of an hour or so, I watched several emerge from its crev ... Read on »
A Flooded Floodplain by Robert Folzenlogen Posted in: Blog Posts in Recreation A day after the latest storm system passed through Missouri, a strong northwest wind is raking the State and the temperature has dropped almost twenty degrees beneath a sla ... Read on »
Deluge in the Heartland by Robert Folzenlogen Posted in: Blog Posts in Recreation For the past 36 hours, the cold front of the latest Pacific storm system has stretched across or just south of Columbia, Missouri.  Ahead of the front, Gulf moisture is flo ... Read on »
Building a Compost Bin by Robert Folzenlogen Posted in: Blog Posts in Recreation While we have a large, free-standing compost pile on our Littleton, Colorado, farm, our Missouri property is only half an acre (at most) and my wife insists on a more organ ... Read on »
The Month of Transition by Robert Folzenlogen Posted in: Blog Posts in Recreation While April weather can be fickle, there is generally a significant transition toward warmer days, punctuated by regular periods of rain.  Of course, the higher sun and mil ... Read on »
Noah & Natural History by Robert Folzenlogen Posted in: Blog Posts in Recreation Like Cecil B. DeMille's past epics, the new film, Noah, brings a Bible story to the big screen.  Initial reviews praise its special effects but, as one might expect, the Ho ... Read on »
Formula for a Landslide by Robert Folzenlogen Posted in: Blog Posts in Recreation The landslide tragedy in Oso, Washington, occurred in a region of North America that is especially prone to such events.  Landslides generally occur in areas where porous, ... Read on »
The Nature of Hail by Robert Folzenlogen Posted in: Blog Posts in Recreation While we dodged tornados in Columbia yesterday, we did experience strong thunderstorms, one of which dropped penny-sized hail.  Fortunately, no damage occurred and the heav ... Read on »
Tornado Season by Robert Folzenlogen Posted in: Blog Posts in Recreation Most of Missouri is under a tornado watch today.  As a Pacific storm approaches from the Southern Plains, it is pumping warm air and Gulf moisture into the Heartland, produ ... Read on »
Formation of the Indian Ocean by Robert Folzenlogen Posted in: Blog Posts in Recreation About 200 million years ago (MYA), the Tethys Sea split Pangea into Laurasia (the northern continents) and Gondwanaland (the southern continents); the latter included Afric ... Read on »
The Phoebe's Leap of Faith by Robert Folzenlogen Posted in: Blog Posts in Recreation Yesterday, on a cloudy and chilly day in Columbia, an eastern phoebe foraged across the restored prairie at Forum Nature Preserve.  Among the earliest of our summer birds t ... Read on »