| 1. | The area is the natural habitats of both indigenous and migratory birds.
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| 2. | Spring and autumn are fit for viewing of the migratory bird life.
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| 3. | A record number of migratory birds have visited Hokersar in recent years.
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| 4. | This is to comply with U . S . migratory bird laws.
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| 5. | He speculated that it was carried to Northern Ireland by migratory birds.
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| 6. | The songs of migratory birds aren't rated on a dollar value scale.
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| 7. | The lives of 500, 000 migratory birds are now seriously at risk.
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| 8. | By 1972, the bird became protected under the Migratory Bird Treaty Act.
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| 9. | Migratory birds may use two long wavelengths are affected by the field.
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| 10. | The park is located along a major migration route for migratory birds.
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