Peregrine falcons Carla (left) and Ecco (right) with their first egg at the Cathedral of Learning. Dedicated — perhaps eagle-eyed — viewers of the National Aviary’s peregrine falcon camera may have ...

The Cathedral of Learning’s feathered residents have welcomed a new addition to the nest. The National Aviary says the peregrine falcons — Carla and her mate Ecco — saw the egg arrive Sunday afternoon ...

PITTSBURGH (KDKA) -- There are now four eggs in the peregrine falcon nest on Pitt's Cathedral of Learning. The National Aviary said Carla and Ecco laid their second egg on Saturday around 9 p.m., the ...

PITTSBURGH (KDKA) -- The peregrine falcons nesting on Pitt's Cathedral of Learning have laid their first egg of the season. Carla laid her first egg on Thursday at 4 p.m., the National Aviary said, ...