Jess (falconry) the bird, but the width is proportional to leg-length. Traditional jesses are made from a single length of leather, and slits are placed strategically along the jess to allow it to be looped through itself and around the ankle of the bird so that it fits comfortably but securely about and just above what would be the bird's ankle. With Aylmeri jesses, as created by Major Guy Aylmeri, the end of the jess is instead looped through itself repeatedly to form a "button", or knob at one end. The thin, pliable end of the jess is then threaded through an
Falconry pet or possession, although the law may allow it, is not considered to be a falconer's bird. Birds may be used for breeding or kept after their hunting days are over, but falconers believe it is preferable that young, fit birds are flown at quarry. In the United States, falconry is legal in all states except Hawaii. It is also illegal in the District of Columbia. A falconer must have a state permit to practice the sport. (Requirements for a federal permit were changed in 2008 and the program discontinued effective January 1, 2014.) Acquiring a falconry license in the