| 11. | Aerial casque-butting has also been reported in the great hornbill.
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| 12. | The calls of hornbills are loud and vary distinctly between different species.
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| 13. | The Sri Lanka grey hornbill is a large bird at in length.
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| 14. | Their diet has some overlap with that of the southern ground hornbill.
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| 15. | Some twelve living hornbills were also confiscated as being possessed without license.
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| 16. | Nine species of hornbill and the African grey parrot have been recorded.
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| 17. | It is also home to the near-threatened great Indian hornbill.
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| 18. | Other breeding achievements include hornbills and the freshwater crocodile-false gharial.
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| 19. | Nine species of hornbills have been recorded in the park.
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| 20. | The tail is white except in the black-tailed Sumba hornbill.
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