Photo: Great grey owl stretches its wings above the snow

1087 of 1625

The great grey owl (Strix nebulosa) gets its name from its large size. It is the tallest owl in the Americas, and also has the largest wing span. According to the Cornell Lab of Ornithology, these birds live year-round in the northern parts of the U.S., Alaska and throughout much of Canada.

Would you like to see your nature photo featured on TreeHugger? Join the TreeHugger Reader Photo Pool on Flickr and add your pictures to the group!

1087 of 1625

More Slideshows