Nycticorax nycticorax  (Linnaeus, 1758)

Black-crowned Night-Heron
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​Kingdom: Animalia
Class: Aves
Order: Pelecaniformes
Family: Ardeidae
Genus: Nycticorax
Species: nycticorax
  • Common names: Black-crowned Night-Heron, Night Heron
  • Thai names: นกแขวก
  • Distribution: ​​(by ssp.) [1] [3]
    Nycticorax nycticorax nycticorax: Eurasia south to Indonesia, Africa and Madagascar
    Nycticorax nycticorax hoactli: S Canada to n Argentina and Chile
    Nycticorax nycticorax obscurus: N Chile and n-central Argentina to Tierra del Fuego
    Nycticorax nycticorax falklandicus: Falkland Islands
  • IUCN Red List: Least Concern. Population decreasing. ​[2]
  • Image locations: Chiang Mai (Ang Kaew Reservoir CMU), Phetchaburi (Laem Pak Bia), Sukhothai (Si Satchanalai Historical Park)
  • Additional notes: 
Nycticorax nycticorax image location map.jpg
Image locations
Images of Nycticorax nycticorax from Thailand.
Black-crowned Night Heron Nycticorax nycticorax.jpg
Black-crowned Night Heron Nycticorax nycticorax (T. Forster, 1817) Laem Pak Bia Phetchaburi Thailand January
Nycticorax nycticorax Black-crowned Night-Heron Si Satchanalai Historical Park Sukhothai Sep 2008.jpg
Nycticorax nycticorax, Black-crowned Night-Heron, Si Satchanalai Historical Park, Sukhothai, Sep 2008
Nycticorax nycticorax Black-crowned Night-Heron Ang Kaew Reservoir CMU Sep 2018.jpg
Nycticorax nycticorax, Black-crowned Night-Heron, Ang Kaew Reservoir CMU, Chiang Mai, Sep 2018
Nycticorax nycticorax Black-crowned Night-Heron Ang Kaew Reservoir Chiang Mai Sep 2018.jpg
Nycticorax nycticorax, Black-crowned Night-Heron, Ang Kaew Reservoir CMU, Chiang Mai, Sep 2018
References: 
​[1] Avibase - accessed 16 February 2021.

​[2] BirdLife International. 2019. Nycticorax nycticorax (amended version of 2016 assessment). The IUCN Red List of Threatened Species 2019: e.T22697211A155515762. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22697211A155515762.en. Downloaded on 16 February 2021.
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​[3] Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ on 03 August 2020.