| 11. | And besides, he said, a barn owl wouldn't do the job.
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| 12. | Other owls such as the barn owl show little day-night variation.
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| 13. | Help soon arrives in the form of a massive barn owl, Stonehead McGurney.
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| 14. | Night-prowling barn owls have special low-light vision for hunting after sunset.
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| 15. | Native owls include great horned owls, barn owls, and short-eared owls.
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| 16. | Predators include other snakes, thrushes, American robins, barn owls, and opossums.
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| 17. | The barn owl has a wider distribution than any other species of owl.
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| 18. | Barn owls often use the same nesting sites year after year.
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| 19. | Threats include disturbance, use of insecticides and predation by introduced barn owls and cats.
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| 20. | The government has banned trade in rats'traditional predators _ cats, snakes and barn owls.
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