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Bats are associated with the night, so it's often used in stories to create a spooky atmosphere.
Around the haunted house, bats could be seen flittering in the moonlight.
Though bats fly, they are mammals, not birds, which can surprise some people.
Unlike birds, bats don’t lay eggs since they’re mammals.
In some cultures, bats symbolize luck, while in others, they are considered creepy.
In my culture, a bat entering your home is a sign of good fortune.