I close my eyes and picture grappling with him on the barrier. When complete, the span will have three lanes in both directions.Ī sound barrier wall is being installed along the border of Valley Forge National Park. A peregrine falcon sweeps past in the direction of the cliffs. Juveniles are brown overall, with dark streaking below. The tail is narrow and the wings long and pointed. Both adults and immatures have a wide, dark 'moustache' mark below the eye. On a typical day before the pandemic an estimated 92,000 commuters and truckers drive daily on the highway linking Douglassville, Berks County, to King of Prussia, Montgomery County.Ĭonstruction of the 1-mile stretch over the Schuylkill River extends from Route 663 to the Route 23 exit to the Valley Forge exit in Montgomery County.ĭuring construction, eastbound motorists are being shifted to a newly built eastbound lane of the Schuylkill River Bridge. Adult peregrines are slate-grey above and pale below, with fine dark bars and spots on their underparts. On Monday, crews with JD Eckman, based in Atglen, Chester County, were working on and under the bridge on the eastern side next to Valley Forge National Park.
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At our website you will find recordings of all british bird species - completely free of cost. He said the timetable to complete the project remains the same. Listen to Peregrine Falcon on a high quality audio recording.
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Rudolph, PennDOT spokesman, said workers resumed full construction. Peregrine Falcons produce a number of vocalizations that all serve various different purposes. The falcons are on the commission’s list of threatened species protected under federal game and wildlife codes.īrad E. McMorris said workers were following the restrictions around the nest. “It could be infertility or weather related. “There are many reasons for a nest to fail,” he said. McMorris said 50% of nests are successful. Arthur McMorris, a Bryn Mawr-based biologist who is the peregrine falcon coordinator for the Pennsylvania Game Commission. “The nest failure is not uncommon,” said F. They are typically 15-20 larger and 40-50 heavier than males. At the nesting site of the Peregrine Falcon two distinct vocalizations are heard from the adult falcons. The sound they make during these displays is an ee-chup. These calls are used during ledge displays and other courting rituals. But the nest failed July 7, and the major work was allowed to resume. Like most birds of prey, female peregrine falcons are slightly larger than males. Peregrines finally exhibit courtship calls.
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