#animal_leg  the leg of an animal
  supertype:  #leg.limb  a structure in animals that is similar to a human leg and used for locomotion
  part:  #cannon.body_part
  part of:  #quadruped  an animal especially a mammal having four limbs specialized for walking
  part of:  #biped  an animal with two feet

No statement uses or specializes #animal_leg; click here to add one.