Their large beak allows them to crack large nuts and shells.
Functional Capacity Evaluation: A series of tests measuring physical strength, range of motion, stamina, and tolerance to functional activities, including lifting and carrying. These tests can be used to evaluate work tolerance, and the necessity for work restrictions. Related terms include Physical Capacities Evaluation (PCE) or Functional Capacity Assessment (FCA). Objective testing for work restrictions is most crucial in workers' compensation claims when employees, employers and physicians need to determine Return To Work (RTW) recommendations.