It is the only species of its family in the classification system, but that isn’t uncommon for species that are common to only one or two areas in the world. It is in the same order, however, as hawks and falcons. This means it is a bird of prey and can be very territorial when provoked. It gets its name from the feathers around its neck.
They’re long and quill-like, reminding the explorers from the west who first stumbled upon it of their quill pens. They looked a lot like something a secretary might use, so there the name stuck. It’s a bit of a cross between a crane and an eagle; it has the head of an eagle but the legs of a crane, so it has a funky look to it.