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 North America; there is debate on whether this practice should continue. Small species, such as kestrels, merlins and hobbys can also be used for recreational bug hawking – that is, hunting large flying insects such as dragonflies and moths. Owls are not closely related to hawks or falcons. There is little written in classic falconry that discusses the use of owls in falconry. However, there are at least two species that have successfully been used, the Eurasian eagle owl and the great horned owl. Successful training of owls is much different from the training of hawks and falcons, as they