An aerie hatchling is a young bird of prey, such as an eagle, that is still in its NEST. The crossword solutions for this term include eaglet (6 letters), eaglets (7 letters), PEEP (4 letters), EMU (3 letters), NEST (4 letters), BROOD (5 letters), owlet (5 letters), and nests (5 letters). An eaglet is a young eagle, while an owlet is a young owl. A PEEP is a small bird, and an EMU is a large, flightless bird. A NEST is a structure built by birds to house their eggs and young, and a BROOD is a group of young birds hatched from the same NEST. A CRAG is a steep, rocky cliff face, which is often where birds of prey build their nests.