Pennsylvania Game Commission officer Doug Dunkerley, left, uses a small broom as a shield to deter the female peregrine falcon as fellow officer Beth Fife, not seen, retrieves young chicks from the ... more 
Pennsylvania Game Commission officer Doug Dunkerley, left, uses a small broom as a shield to deter the female peregrine falcon as fellow officer Beth Fife, not seen, retrieves young chicks from the falcons nest on the ledge of the 40th floor of the University of Pittsburgh's Cathedral of Learning on Thursday, May 19, 2011. Officers from the Pennsylvania Game Commission gathered the falcon's chicks to give them a check up and apply bands to their legs, and then return them to the nest, which is located on the 40th floor of the University of Pittsburgh's Cathedral of Learning. The peregrine falcon is listed on Pennsylvania endangered species, and the program monitoring the birds nesting has been in effect since since 2002, less 
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Associated Press | Photo By Keith Srakocic
Thu, May 19, 2011 1:06 PM EDT