| 41. | Being large birds with powerful beaks, grey herons have few predators as adults, but the eggs and young are more vulnerable.
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| 42. | It is similar in appearance to the more common grey heron but is slightly smaller, more slender and has darker plumage.
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| 43. | Some species are partially migratory, for example the grey heron, which is mostly sedentary in Britain but mostly migratory in Scandinavia.
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| 44. | A similar case of a fish owl chasing a grey heron ( " Ardea cinerea " ) has also been reported.
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| 45. | They are particularly vulnerable while travelling above ground, where they may also fall victim to jackals, mongooses, owls and grey herons.
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| 46. | In lower parts, Grey Heron ( Ardea cinerea ) can be seen, and occasionally even white stork ( Ciconia ciconia ).
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| 47. | Other managed wetland sites along the river include Besthorpe near Newark, breeding pairs of little egrets and grey herons have been observed.
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| 48. | There are also very large numbers of Grey Heron breeding in the largest heronry of Seychelles and small numbers of Fairy Tern.
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| 49. | The territory is heavily forested, and its trees are home to a large colony of grey herons, with approximately 403 breeding pairs.
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| 50. | Buzzards can be seen hunting over open areas by the river and the grey heron, grey wagtail and dipper are common sights too.
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