Jess (falconry) Jess (falconry) A jess (plural "jesses") is a thin strap, traditionally made from leather, used to tether a hawk or falcon in falconry. Jesses allow a falconer to keep control of a bird while it is on the glove or in training, and allow a bird to be secured on a perch outside its aviary. Jesses come in various types: Jesses are generally made from strips of leather as thin as possible, for which purpose kangaroo leather has become increasingly popular over the years, as it is thin, light-weight and extremely durable with proper care. Jess size varies depending on
Falconry fairs, has probably never been higher in the past 300 years. Ornithologist Tim Gallagher, editor of the Cornell Lab of Ornithology's "Living Bird" magazine, documented his experiences with modern falconry in a 2008 book, "Falcon Fever". Making use of the natural relationship between raptors and their prey, today, falconry is used to control pest birds and animals in urban areas, landfills, commercial buildings, and airports. Falconer Dan Frankian of Hawkeye Bird and Animal Control frequently speaks on the subject to news crews while his hawks and falcons are flying over Toronto City Hall, in an effort to control the city's