[debacle]

To be far more pedantic, Pegasus is the name of a single flying horse, it's not the name for horses with wings.

[saalweachter]

And heaping on, Pegasus was not part of a breed or species. He was a one-off, the offspring of Poseidon and Medusa. He had a brother, Chrysaor, a man.

[AdieuToLogic]

Obligatory Futurama reference:

  You are technically correct, the best kind
  of correct

:-)