from The Century Dictionary and Cyclopedia
- Having the wings marked as if with letters: specifically said of a kite, Elanus scriptus.
Sorry, no etymologies found.
In their wake, many birds of prey, most notably the largely nocturnal letter-winged kite (Elanus scriptus) also reach unusually high population densities and extend their geographic range well beyond their normal center in the Mitchell Grass Downs.
In 1992, an upsurge of feral cats in the Diamantina region of western Queensland threatened native fauna, including the letter-winged kite.