This is an adult Harris's hawk (Parabuteo unicinctus, Buse de Harris,HAHA), formerly known as the Bay-winged Hawk and Dusky Hawk. It is the only member of the genus Parabuteo. The unusual behaviours of these North American birds make them very special among raptors. In contrast to most raptors, which generally are solitary hunters, these hawks are known to hunt cooperatively - in family "packs" numbering as many as six individuals - to take down prey that is much larger than they can handle…