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The Great Grey owl  (Strix nebulosa) has a large facial disks, also known as "ruffs", helps it to focus sound, and the asymmetrical placement of their ears assists them in locating prey, because of the lack of light during the late and early hours in which they hunt. Canyon area, Yellowstone.
The Great Grey owl (Strix nebulosa) has a large facial disks, also known as "ruffs", helps it to focus sound, and the asymmetrical placement of their ears assists them in locating prey, because of the lack of light during the late and early hours in which they hunt. Canyon area, Yellowstone.
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Birds of Prey
Keywords:
  • Adult
  • Canyon
  • Flying
  • Food gathering
  • Great
  • Grey
  • Gray
  • Hunting
  • National Park
  • Owl
  • Yellowstone