
Black-crowned Night Heron
NameBlack-crowned Night Heron
Common NameBlack-crowned Night Heron
Scientific NameNycticorax nycticorax
FamilyArdeidae
Wingspan (cm)112.5
Length (cm)62
Weight (g)750
Plumage DetailsAdults have a black crown and back, pale grey wings and underparts, and striking red eyes. During breeding season, they develop two or three long white plumes from the back of the head. Juveniles, like the one pictured, are duller, with streaky brown plumage, white spots on their wings, and yellowish eyes.
Vocalization / CallTheir most common vocalization is a distinctive, harsh 'kwok' or 'quawk' call, often given in flight, especially at dusk or during the night.
Primary Dietpiscivore
Primary Habitatswetlands, marshes, swamps, lakes, rivers, estuaries, coastal areas
Conservation Statusleast-concern
Geographic RangeThis species has a nearly cosmopolitan distribution, found across North and South America, Europe, Asia, and parts of Africa.
Identifying FeaturesStocky build with a relatively short neck and legs, Nocturnal foraging behavior, Adults: black crown and back, grey wings, red eyes, Juveniles: streaky brown plumage, yellowish eyes, often appear hunched, Harsh 'kwok' or 'quawk' call
Description
The Black-crowned Night Heron is a stocky, medium-sized heron known for its nocturnal foraging habits. Adults have a distinctive black crown and back, while juveniles are mottled brown with heavy streaking. They are often found hunched near water, patiently waiting for prey.



