| 11. | It will also feature some 5, 000 Madagascar hissing cockroaches.
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| 12. | He was relieved when they laughed and applauded instead of hissing.
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| 13. | Young birds have been heard making a hissing croak in flight.
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| 14. | Often accompanying the glow is a distinct hissing or buzzing sound.
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| 15. | They will also exhibit a hissing sound when protecting their territories.
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| 16. | They communicate by calling, purring, hissing, and gesturing.
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| 17. | When engines returned from duty, hissing and hooting was heard.
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| 18. | They are fond of squawking and hissing at one another.
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| 19. | "Fun ? " he says, hissing the word.
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| 20. | Maybe he was passing through and heard a hissing sound,
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