World Bird List

Species factsheet
Black-crowned Night Heron (Nycticorax nycticorax)

Order: Nycticorax nycticorax
Family: Herons, Bitterns (Ardeidae)

Danske navn: Nathejre

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
nycticorax Eurasia s to Indonesia and Africa
hoactli s Canada to n Argentina and Chile, Hawaii
obscurus Chile, sw Argentina
falklandicus Falkland Is.