On the Vulture Chronicles: Vulture Detectives Pt 1

Female black vulture named Donald over a quarry during September of 2016 near Palmyra, PA.

Female black vulture named Donald over a quarry during September of 2016 near Palmyra, PA.

By Zoey Greenberg, former Conservation Science Trainee
Hawk Mountain Sanctuary

he tires crunched on gravel, and I shut the engine off. We had entered vulture country. With scope, data sheets, and binoculars in hand my project partner, trainee Adehl Shwaderer and I walked carefully up the gravel road as we scanned the tree tops for hunched silhouettes or soaring shadows. This was our first foray into the Kempton Valley, east of Hawk Mountain, in search of black vultures (Coragyps atratus). Our expectations were not high. However, we had innovation on our side: we were testing a method called “groundtruthing” to better understand the movement ecology of several vultures that had been tagged with satellite transmitters by Hawk Mountain scientists. After investigating their movements in Google Earth, we had discovered interesting patterns including an individual who spent time near quarries, and another that seemed to prefer cities. The problem was, we didn’t know why.

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