
BLACK-CROWNED NIGTH HERON: Nycticorax nycticorax
hoactli

Twilight.
Gregarious. Sits in trees. Gives a strong "Cuacos."
BLACK-CROWNED NIGTH HERON: Nycticorax nycticorax
obscurus
The southern
subspecies is generally darker and gray ventrally. It inhabits the Patagonia
region of Argentina.

Photographs taken at the Hua-Hum River, Lanin
National Park and Chos Malal, Neuquen
province.
|