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 supposedly appropriate. This list, however, was mistaken in several respects. It can be seen that the relevance of the "Boke" to practical falconry past or present is extremely tenuous, and veteran British falconer Phillip Glasier dismissed it as "merely a formalised and rather fanciful listing of birds". A book about falconry published in 1973 says: There are several raptors used in falconry. They are typically classed as follows: Owls are also used, although they are far less common. In determining whether a species can or should be used for falconry, the species' behavior in a captive environment, its responsiveness to