For the first time in a decade, a pair of peregrine falcons is nesting on the top of PPL’s iconic 23-story headquarters in downtown Allentown — and you can watch them up close.

A camera installed several years ago to monitor the nest box is operational, and a live feed can be viewed at pplelectric.com/environment.

“We’re thrilled these magnificent raptors returned to our building. They’re amazing creatures,” said Jeff Luzenski, senior environmental professional.

A duo set up house in a nesting box atop our tower in 2007 and 2008, with no hatchlings in 2007, but four in 2008. Those young birds were banded for potential future tracking and study.

No birds nested on top of the building after that, but they did subsequently nest at other places in Allentown — first at the 8th Street bridge, then the Tilghman Street bridge.

PPL has had a long-standing involvement with efforts to restore the peregrine falcon population in Pennsylvania.

In 1995, we began to support the Lehigh Valley Peregrine Project, a community effort led by Luzenski, to release young peregrine falcons from the top of our 322-foot building in the hopes that the falcons would come back to the area. In the wild, falcons nest on high cliffs. In urban settings, tall buildings make a suitable alternative.

According to the Pennsylvania Game Commission, an adult peregrine can reach a speed of more than 200 miles per hour in a vertical dive and averages about 60 miles per hour in level flight. Peregrine falcons feed on other birds, usually by striking them in flight. Their prey includes pigeons, blue jays, and other mid-sized song birds.

We also have a long history of supporting ospreys and bald eagles. Over the past two years, we’ve assisted in putting up about an additional half-dozen osprey nesting platforms at various locations in our service territory. We partner with the Pennsylvania Game Commission, and others, on those projects. Unlike peregrine falcons, ospreys feed almost exclusively on fish and nest near water.