Owls have been part of human culture and mythology for millennia, viewed as everything from wise good-luck charms to demonic harbingers of death. That fascination may come from their odd anatomy, which makes them stand out among other bird species. Owls can swivel their heads around, are nocturnal, fly nearly silently, and can stay hidden thanks to exceptional camouflage—not to mention their expressive faces. There are about 250 species of owls in the world. They are found on every continent exc