Iowa Natural Heritage Foundation

Posts by Kerri Sorrell

Everyone in cold climates has likely seen frost patterns on a window after a very cold night.  It can take many different forms or shapes from lines to flowing flower-like designs.  Formation occurs due to the difference in very cold air outside and

Nature Walk: Winter Frost

Everyone in cold climates has likely seen frost patterns on a window after a very cold night. It can take...
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Weekend ice fishing

This weekend, take advantage of above-zero temperatures and try a new winter activity: ice fishing! Polk County Conservation is hosting...
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Survival for birds in winter is about feather design, grooming, available flood supplies, fat reserves and protection from wind.  Feathers are a bird's first and most important defense against cold. Birds groom contour feathers with oil to make them

Nature Walk: Bird Insulation

Survival for birds in winter is about feather design, grooming, available flood supplies, fat reserves and protection from wind. Feathers...
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Nature & The Naturalist

Our friends at the Dallas County Conservation Board released their winter newsletter recently, which included a piece by Naturalist Chris...
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Winter eagle watching

One of the greatest winter pleasures of outdoor enthusiasts is the annual bald eagle watching season. With many bluffs and...
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First hike of the new year

photo by Richie Diesterheft and courtesy of Creative Commons Hikers, save the date! The E.B. Lyons Interpretive Center in Dubuque,...
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Canada Wildrye-Rime Ice

Nature Walk: Canada wildrye

One might wonder if Canada wildrye would be good food for hungry reindeer. It is a cool-season grass related to...
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Monarch migration comeback

photo by Ken Slade, courtesy of use through Creative Commons Last week, the New York Times published a piece about...
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Help protect Turin Prairie

When we dream of great projects, we imagine one like this. This 425-acre addition to the Turin Loess Hills Preserve...
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Merry Christmas from INHF!

Holiday tidings to your family from ours!
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Nature Walk: Winter Reflections

The color of the landscape or any object may be a function of reflected light filtered by dust or moisture...
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Gift INHF for Christmas

Are you in last-minute Christmas shopping mode? This year, give a gift to someone you love while protecting the state...
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