16-Year-Old Pittsburgh Peregrine Falcon Lays Third Egg

CBS Pittsburgh

PITTSBURGH (KDKA/AP) – A 16-year-old peregrine falcon who nests on the University of Pittsburgh’s Cathedral of Learning has laid a third egg.


“It is unusual. She’s been a very productive female; she’s had many eggs and many successful fledglings,” said Robert Mulvihill, an ornithologist at the National Aviary. “I believe more than 40 of her offspring have successfully fledged from the Cathedral of Learning.”

Bird watcher and blogger Kate St. John tells the Pittsburgh Post-Gazette 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 an egg or eggs still inside her that she’s unable to pass. That condition, known as being egg-bound, could be life-threatening.

“There’s a condition in birds called egg-binding and that is an inability for a female to pass an egg through…

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