| 41. | These birds breed in colonies, their eggs being laid directly amongst tree roots or in rock crevices.
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| 42. | It is an arboreal species heard calling from shrubs, but can also be found in rock crevices.
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| 43. | In the absence of rock crevices or caves, the dens are often built under trees or bushes.
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| 44. | Other spoon worms conceal themselves in rock crevices, empty gastropod shells, sand dollar tests and similar places.
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| 45. | They live inside rock crevices and canyon walls where humans cannot easily find them, which makes research difficult.
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| 46. | The males migrate first, and establish nest sites in strong current areas in rock crevices or on ledges.
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| 47. | They are effective diggers, but may sometimes rest in natural cavities such as hollow logs or rock crevices.
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| 48. | Sargent's campion ( " Silene sargentii " ) is found in rock crevices to or.
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| 49. | "Panulirus longipes " is nocturnal and hides in rock crevices and under boulders during the day.
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| 50. | It's a 2-mile hike uphill so we can view water cascading through a narrow rock crevice.
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