Jess (falconry) chase something it shouldn't, and less to keep the bird from getting away, as falconry birds are routinely (and as part of the sport) set free—the bond between bird and falconer serves as a much better leash than any leather or rope ever will; however, it is not always desirable that a bird be able to take flight at its own whim, and both on the glove and on the perch, jesses help ensure this. During hunting season (small game season for North American falconers), jesses are generally worn all season in the mews, and are often removed for the
Falconry and violent in every way." They are well known in falconry use both in Europe and North America. The northern goshawk has been trained for falconry for hundreds of years, taking a variety of birds and mammals. Other popular "Accipiter"s used in falconry include: the Cooper's hawk and sharp-shinned hawk in North America and the European sparrowhawk in Europe and Eurasia. New Zealand is likely to be one of the few countries to use a harrier species for falconry, there falconers successfully hunt with the Australasian harrier ("Circus approximans"). The genus "Falco" is found worldwide and has occupied a central