Extinct Birds

noun a large extinct bird of prey, similar to a vulture, that lived in the Pleistocene epoch

• The teratorn was a large, extinct bird of prey that lived during the Pleistocene epoch.
• Did you know that the teratorn had a wingspan of over 20 feet?
• That teratorn was one big bird!
• Her presence in the meeting was like a teratorn, commanding attention and respect.

noun a genus of flightless aquatic birds that lived during the Late Cretaceous period

• The hesperornis is an extinct aquatic bird that lived during the Late Cretaceous period.
• Have you heard of the hesperornis? It was like a prehistoric penguin!
• Dude, that hesperornis was one cool bird from back in the day.
• The hesperornis was a true pioneer of the ancient seas, navigating its way through unknown waters.