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Jewel Cave National MonumentEroded crystal faces (NPS photo)
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Jewel Cave National Monument
Turkey Vulture

Turkey Vulture

Cathartes aura

Family:  Ciconiidae

These huge birds are mainly spotted by the average person soaring magnificently above roads.  Their primary habitat is deciduous woodlands and adjacent farmlands or pastures.  The dominant tree species of Jewel Cave National Monument is the Ponderosa Pine, a coniferous evergreen so they are an uncommon visitor to the Monument.  They are found throughout the Black Hills and adjacent prairie.  As the day heats up, columns of hot air, called thermals, rise upward.  Turkey Vultures ride these thermals saving themselves an enormous amount of energy by soaring without flapping their wings.  The rising columns of air also bring the scent of their food to them.  These birds are carrion eaters and can be seen feasting on roadkill.

A caver measures wind speed at the Humdinger / NPS file photo  

Did You Know?
Due to changes in barometric pressure, strong winds blow through Jewel Cave’s passages miles from the natural entrance. Areas in the cave where the wind is exceptionally strong or loud have names like Hurricane Corner, Whistle Stop, Exhaust Pipe, Humdinger, and Drafty Maneuver.

Last Updated: April 24, 2007 at 12:26 EST