อ้างอิง ของ นกกระเรียนคอดำ

  1. BirdLife International (2009). Grus nigrocollis. In: IUCN 2009. IUCN Red List of Threatened Species. Downloaded on 20 June 2010.
  2. Ali, S & S D Ripley (1980). Handbook of the birds of India and Pakistan. 2 (2 ed.). Oxford University Press. pp. 139–140.
  3. Collar, NJ; AV Andreev, S Chan, MJ Crosby, S Subramanya and JA Tobias, บ.ก. (2001). Threatened Birds of Asia (PDF). BirdLife International. pp. 1198–1225.CS1 maint: multiple names: editors list (link)
  4. Ganguli-Lachungpa, Usha (1998). "Attempted breeding of the Blacknecked Crane Grus nigricollis Przevalski in North Sikkim". J. Bombay Nat. Hist. Soc. 95 (2): 341.
  5. Betts, FN (1954). "Occurrence of the Blacknecked Crane (Grus nigricollis) in Indian limits". J. Bombay Nat. Hist. Soc. 52 (3): 605–606.
  6. Rossetti, John (1979). "Blacknecked Crane, Grus nigricollis, seen at Begnas Tal, near Pokhara, Nepal". J. Bombay Nat. Hist. Soc. 76 (3): 513–514.

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