A great gray owl on the hunt (© Jan Vermeer/Minden Pictures)

【November 4 2015】An adult great gray owl has an average wingspan of more than 4.5 feet, and from its head to its tail feathers, the owl is more than 2 feet long, making it the largest owl in the world in terms of length. Yet several other species outweigh it, because the great gray owl has such an abundance of feathers. The feathers give the great gray tremendous size, but not a lot of heft.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..