| 11. | The Sea Skua failed to hit its target and failed to explode.
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| 12. | Nine accompanying Blackburn Skuas shoot down an Italian Cant Z . 501.
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| 13. | Hybrids with the brown skua are known from southern Argentina.
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| 14. | Other threats include predation of nestlings by Subantarctic skuas and black rats.
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| 15. | Damage from the explosion caused the Skua to fall into the sea.
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| 16. | Many snow petrels and south polar skuas also breed in this area.
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| 17. | Lieutenant Bostock was killed in another Blackburn Skua on the same raid.
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| 18. | The spectators include seals, penguins and divebombing skuas.
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| 19. | Other studies have shown the effects that skuas can have on other birds.
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| 20. | Outside the breeding season, skuas take fish, offal, and carrion.
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