| 31. | The underwing colour varies from white to dusky grey depending on region.
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| 32. | The specific name " fuscus " means dark or dusky.
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| 33. | A population of the endangered Dusky Hopping Mouse lives in the desert.
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| 34. | Full-grown dusky sharks have no significant natural predators.
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| 35. | The bigmouth buffalo is a dull brownish olive color with dusky fins.
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| 36. | The greenish-yellow underparts are finely barred and dusky.
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| 37. | The interior of the mouth varies from light to dusky.
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| 38. | The pale dorsal fins have dusky tips and posterior margins.
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| 39. | Disused nests may be reused by Cape sparrows and African dusky flycatchers.
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| 40. | Hutton's, and dusky tube-nosed bat.
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