In a production facility, labor and material costs are usually variable costs that increase as the volume of production increases. It takes more labor and material to produce more output, so the cost of labor and material varies in direct proportion to the volume of output.
The harpy eagle's name comes from. the harpies of Greek mythology which were ferocious winged creatures with sharp claws, a woman's face and a vulture's body. The average weight of a harpy eagle is 18.4 lbs (8.2 kg). Female harpy eagles are larger than the males. A female can weigh from 14 to 18 lbs (7-9 kg), while the males weigh 10 to 16 lbs (5-8 kg). Their body length is between 36 and 40 inches (1 meter). Their feathers are slate-black above and white to light gray underneath.
Like most eagle species, the female âharpyâ is almost twice as large as the male. The harpy eagle's legs can be as thick as a small child's wrist, and its curved, back talons are larger than grizzly bear claws at 5 inches (13 centimeters) long!he deadly talons of a harpy eagle can exert several hundred pounds of pressure (over 50 kilograms), crushing the bones of its prey and instantly killing its victim. A harpy also feeds on opossums, porcupines, young deer, snakes, and iguanas.