Peregrine falcons Felicity and Beauregard are taking care of two new hatchlings on a 33rd-floor ledge of the USF&G; building in Baltimore.

The 52nd and 53rd eyases born at the USF&G; site are a week old. Two other eggs did not hatch.

This is the third successful mating season for Felicity and Beauregard, whose offspring have been have been identified as far away as Dayton, Ohio, said John Barber, a USF&G; employee and former Smithsonian ornithologist.

Endangered 20 years ago, peregrines are returning to thriving numbers. Maryland is home to five peregrine pairs, all of which are breeding.