[TWENTY A. 1 b, 2.] Twenty-eight Parrakeet, a name for the yellow-collared Parrakeet of Australia (Platycercus semitorquatus), from its note.
1848. J. Gould, Birds Australia, V. pl. 19. Yellow-collared Parrakeet . It often utters a note, which from its resemblance to those words has procured for it the appellation of twenty-eight Parrakeet from the colonists.
See also TWENTY C.