| 21. | They have small eyes and no external ears.
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| 22. | The external ear ( the inguinal pairs ), the same number as most other Australasian rodents.
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| 23. | In addition, the walrus lacks external ear flaps.
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| 24. | The external ears are just tiny openings.
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| 25. | Also like phocids, it lacks external ears.
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| 26. | There are no external ears or openings.
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| 27. | It has small eyes and external ears.
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| 28. | It was first described in 2009 after being isolated from external ear discharge of a patient in Japan.
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| 29. | The external ears of felids are also large, and especially sensitive to high-frequency sounds in the smaller cats.
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| 30. | In the canal ( ITC ) aids are smaller, filling only the bottom half of the external ear.
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