Michael Henninger

Editorial: Essays: Powdermill

An unopened net hangs just before dawn at the Powdermill Avian Research Center in Rector, Pa. on Wednesday, April 27, 2011. Researchers at the station arrive daily before first light to start unfurling nets for the day's bird banding activities.
  
Volunteer Jeff Territo of Bedford PA, opens a net at the Powdermill Avian Research Center in Rector, Pa. as dawn breaks on Wednesday, April 27, 2011.
  
Three Black-capped Chickadee struggle after being caught in a net at the Powdermill Avian Research Center in Rector, Pa. on Tuesday, April 26, 2011. Researchers at the station make rounds collecting birds from the nets every 40 minutes.
     
  
Volunteer Carolyn Stratford, 14, of Ligoneer tries to pull an American Goldfinch out of a net as field assistant Mary Shidel oversees at the Powdermill Avian Research Center in Rector, Pa. on Tuesday, April 26, 2011.
  
Avian ecologist and banding program coordinator Andrew Vitz takes measurements on this captured Solitary Sandpiper at the Powdermill Avian Research Center in Rector, Pa. on Tuesday, April 26, 2011.
  
Research assistant Marcia Arland, of the North Hills lets a Ruby Crowned Kinglet go after taking its measurements at the Powdermill Avian Research Center in Rector, Pa. on Tuesday, April 26, 2011.
     
  
Avian ecologist and banding program coordinator Andrew Vitz makes his rounds checking nets for birds at the Powdermill Avian Research Center in Rector, Pa. on Wednesday, April 27, 2011.