Around 6:30am this morning, 27 April 2019, Hope picked up Egg #4, moved it away from the nest, opened it, ate some of the contents, and fed the rest to her living chicks.
The chick inside the egg appears to have been fully formed.
We await the fate of Egg/Chick #5. Meanwhile …
Caution! Don’t watch the eggs hatch at the Cathedral of Learning if it upsets you to see a mother kill her young.
(photos from the National Aviary falconcam at Univ of Pittsburgh)