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 Arenal Volcano National Park
Cattle Egret
Bubulcus ibis
Great Egret
Ardea alba
Fasciated Tiger Heron
Tigrisoma fasciatum
Green Heron
Butorides virescens
Agami Heron
Agamia agami
Great Blue Heron
Ardea herodias
Snowy Egret
Egretta thula
Bare-throated Tiger Heron
Tigrisoma mexicanum
Little Blue Heron
Egretta caerulea
Boat-billed Heron
Cochlearius cochlearius
Tricolored Heron
Egretta tricolor
Black-crowned Night Heron
Nycticorax nycticorax
📅 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 Arenal Volcano National Park?
About 0% of visitor-days record a Yellow-crowned Night-Heron sighting in Arenal Volcano National Park, based on 17 observer-days of citizen-science data from GBIF.
When is the best time to see Yellow-crowned Night-Heron in Arenal Volcano National Park?
September has the highest sighting rate for Yellow-crowned Night-Heron in Arenal Volcano National Park in our monthly data.