Previously known as Dusky Hawk, this animal has been one of the most popular raptors used in falconry over the ages. It was named by John Audubon after his friend and ornithologist Edward Harris. It is seen in south-western US and central and South America. One unusual characteristic of this bird is that it likes to hunt in packs instead of being a loner. Once bonded with humans it returns to its home perch easily, hence its common use in the sport of falconry.