11 Symptoms of Skin Cancer. There are many devastating diseases in the world and cancer is one of the most concerning. Not only is cancer the leading cause of death worldwide, but it also claims sizable disability and medical bills.
Owls have extremely large eyes in proportion to the size of their heads. In some of the larger species, such as the Great Grey Owl, the eyes are larger than those of most humans. Although owl eyes are well adapted for great visual acuity, there is a drawback.wls have extremely large eyes in proportion to the size of their heads. In some of the larger species, such as the Great Grey Owl, the eyes are larger than those of most humans. Although owl eyes are well adapted for great visual acuity, there is a drawback.
Female owls are larger and heavier than the males of their species. A Great Horned Owl weighs about 3 Â½ - 4 pounds. Its two eyes together weigh about 25.7 grams (almost an ounce), more than the eyes of a 200-pound human. Snowy Owls weigh about 4 pounds. But the Great Gray Owl, which is larger than the Great Horned or Snowy Owl, weighs only 2-3 pounds.