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 training and technique for supplements and additional roughage. All birds of prey eat a strictly carnivorous diet. In all cases, a bird's diet is carefully measured to control its weight. Weight determines how hungry the bird is and how lazy it will act. A bird that is overweight will be more likely to fly away or not hunt. A bird that is somewhat underweight will act aggressively, and a bird that is severely underweight will have health problems. Manning is an essential part of falconry training that refers to the acclimation of a falconry bird to living and working with humans and things