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Nycticorax nycticorax
Adults are short-necked, relatively short-legged and stout herons; the two extant species both have a black crown and a whitish belly, while the wings, chest, neck and auriculars are grey or rufous depending on the species. Young birds are brown, flecked with white and grey, and are quite similar to each other in the extant species. At least some of the extinct Mascarenes taxa appear to have retained this juvenile plumage in adult birds. Night herons nest in colonies on platforms of sticks in a group of trees, or on the ground in protected locations such as islands or reedbeds. 3-8 eggs are laid.
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). Despite the fact that the population trend appears to be decreasing, the decline is not believed to be sufficiently rapid to approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size is very large, and hence does not approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern
spotted in the Vila Nova bbiological wild life rescue facilitys,last photo show's the place,they are with other heron's,that i'll spott in future
8 Comments
Thanks satyen , i'am with my emailbox bloqued so i can missed some of your comments,sorry :)
Beautiful series Antonio!
Thanks Emma :)
nice series!
thanks Maria,in the first's times that i go to the biological park these guys where a little away ,mxed with the other species,here they where 3m from me ,great bird
very nice series!
Thanks Ava :)
Nice series, Antonio.