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Officials at Delaware Water Gap National Recreation Area say the peregrine falcons are nesting on the cliffs of Mount Minsi, so there will be no climbing or hiking near the nest.
The pair nested on the same cliff last year but produced no young. Delaware Water Gap biologist Al Ambler says the cliffs are a historical nesting ground for the species, but the current falcons are the first seen there since the 1950s.
Falcon populations have rebounded after their numbers were reduced by pesticides and hunting, but on the East Coast they have been nesting in urban settings such as skyscrapers and bridges. The birds came off the federal endangered species list in 1999 but Pennsylvania and some other states still consider them endangered.
