Yellow-crowned Night-Heron
Nyctanassa violacea
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPelecaniformes (Pelicaniformes)
- FamilyArdeidae (Herons, Egrets, and Bitterns)
- GenusNyctanassa (Yellow-crowned and Bermuda Night Herons)
- SpeciesNyctanassa violacea (Yellow-crowned Night-Heron)
Closest Relatives at Caroni Swamp
Little Blue Heron
Egretta caerulea
Tricolored Heron
Egretta tricolor
Snowy Egret
Egretta thula
Great Egret
Ardea alba
Striated Heron
Butorides striata
Cattle Egret
Bubulcus ibis
Black-crowned Night Heron
Nycticorax nycticorax
Green Heron
Butorides virescens
Cocoi Heron
Ardea cocoi
Great Blue Heron
Ardea herodias
Boat-billed Heron
Cochlearius cochlearius
Pinnated Bittern
Botaurus pinnatus
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
Quick answers
What are the chances of seeing a Yellow-crowned Night-Heron in Caroni Swamp?
About 61% of visitor-days record a Yellow-crowned Night-Heron sighting in Caroni Swamp, based on 274 observer-days of citizen-science data from GBIF.
When is the best time to see Yellow-crowned Night-Heron in Caroni Swamp?
December has the highest sighting rate for Yellow-crowned Night-Heron in Caroni Swamp in our monthly data.