Answered by The Community. Making the world better, one answer at a time. Barred owls are larger then Spotted owls. Their plumage is also lighter in color, usually with a few white or brown streaks, unlike the spotted owl, which has dark brown plumage with many white and darker brown/black streaks or spots.Barred owls have different mating cerimonies then spotted owls.Barred owls have a lighter hoot then spotted owls, but spotted owls have a much more pleasant one. They are very smilier in shape in appearance but have very different lives and personalities.arred owls have different mating cerimonies then spotted owls. Barred owls have a lighter hoot then spotted owls, but spotted owls have a much more pleasant one. They are very smilier in shape in appearance but have very different lives and personalities.