Avian Evolution

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.

noun Aepyornis is a noun referring to a genus of extinct flightless birds that were native to Madagascar. They were the largest birds known to have existed, with some species reaching over 10 feet in height.

• The aepyornis, also known as the elephant bird, was a large flightless bird native to Madagascar.
• Did you know that the aepyornis was one of the heaviest birds to have ever existed?
• That aepyornis was one massive bird, dude!
• The aepyornis symbolizes the incredible diversity of life that once existed on the island of Madagascar.