- Associated Press - Monday, April 6, 2015

PITTSBURGH (AP) - A 16-year-old peregrine falcon who nests on the University of Pittsburgh’s Cathedral of Learning has laid a second egg, but an expert says her behavior suggests she may still have other eggs to lay.

Bird watcher and blogger Kate St. John tells the Pittsburgh Post-Gazette (https://bit.ly/1y8sa0h ) that the bird, named Dorothy, isn’t continually incubating - or sitting on - the two eggs she’s laid to keep them warm. That suggests she may have and egg or eggs still inside her that she’s unable to pass. That condition, known as being egg-bound, could be life-threatening.

The bird is already mother to 42 other birds and her advanced age leaves doubts that the eggs she’s laid so far this spring may not be viable.

That won’t be known for about 32 days after the eggs hatch following incubation.

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Information from: Pittsburgh Post-Gazette, https://www.post-gazette.com

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