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.
Eagles with the largest wingspan. 1  White-tailed eagle (Haliaeetus albicilla) â 218.5 cm (7ft 2in) / max: 253 cm (8.3 ft) 2  Stellerâs sea eagle (Haliaeetus pelagicus) â 212.5 cm (7 ft) / max: 250 cm (8ft 2in) 3  Wedge-tailed eagle (Aquila audax) â 210 cm (6ft 11in) / max: 284 cm (9ft 4in)