Too many people lump owls into one category but there are actually several different species of them. They vary in size and color even though the overall anatomy of them is very similar find even more of them.
The unique look of the Snowy Owl means that this species is never confused with any other. It is the only one featuring an all white coloring. They also have speckles on the body that are dark gray or black in color.
The Great Grey Owl gets its name from the dark and light patterns of gray coloring on its body. It features a tail that is much longer than most species of owls out there.
The Screech Owl is a very small species with a size of no more than 10 inches in height. However, they have a wing span of about 24 inches. They are often confused with other types of owls though.