The peregrine falcons nesting on top of Pitt's Cathedral of Learning have laid their first egg of the season.

The National Aviary’s star peregrine falcon couple has welcomed its first egg of the season.

Add Yahoo as a preferred source to see more of our stories on Google. Peregrine falcons are the UK's largest falcons [Getty Images] Peregrine falcons have returned to a cathedral to nest in what is ...

In the early 1960s, the peregrine falcon population declined so sharply that the raptors weren't even nesting in Pennsylvania. But now, the National Aviary says a record number have been counted in ...

Peregrine falcons are the UK's largest falcons [Getty Images] Peregrine falcons have returned to a cathedral to nest in what is believed to be their 25th year at the site. Chichester Cathedral said ...