On which type of birds should Aylmeri type jesses be used?

Aylmeri type jesses are versatile and designed for use on a variety of birds, particularly all types of falconry hawks. These jesses are typically made from sturdy materials, allowing for secure handling and control of the bird during training and flying. Their design is suitable for the anatomy and behavior of hawks, providing an effective means for the falconer to manage the bird's movements while ensuring the welfare and safety of the animal.

Using Aylmeri type jesses on all falconry hawks allows individuals to have the flexibility needed for different species within the category of hawks, accommodating variations in size and strength. This multi-species applicability is important for falconers who may work with different types of hawks during their practice, making this answer the most correct in the context of falconry.