| 21. | By the end of October all the migratory birds fly south.
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| 22. | The park is also on the flyway of many migratory birds.
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| 23. | This is also a unique stopover point for migratory bird species.
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| 24. | The decision more than satisfied opponents of the migratory bird rule.
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| 25. | Pali Hill is frequented by migratory birds, present during different seasons.
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| 26. | Burrowing owls are protected under a federal law governing migratory birds.
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| 27. | European Union regulations forbid the hunting of migratory birds during their nesting period.
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| 28. | The best season to spot these migratory birds is from October.
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| 29. | The Hawar islands are a breeding ground for rare species of migratory birds.
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| 30. | Forest fragmentation is one of the greatest perils to migratory birds.
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