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 Sian Ka'an Biosphere Reserve
Great Egret
Ardea alba
Great Blue Heron
Ardea herodias
Green Heron
Butorides virescens
Little Blue Heron
Egretta caerulea
Bare-throated Tiger Heron
Tigrisoma mexicanum
Tricolored Heron
Egretta tricolor
Snowy Egret
Egretta thula
Cattle Egret
Bubulcus ibis
Reddish Egret
Egretta rufescens
Boat-billed Heron
Cochlearius cochlearius
Black-crowned Night Heron
Nycticorax nycticorax
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 Sian Ka'an Biosphere Reserve?
About 6% of visitor-days record a Yellow-crowned Night-Heron sighting in Sian Ka'an Biosphere Reserve, based on 124 observer-days of citizen-science data from GBIF.
When is the best time to see Yellow-crowned Night-Heron in Sian Ka'an Biosphere Reserve?
August has the highest sighting rate for Yellow-crowned Night-Heron in Sian Ka'an Biosphere Reserve in our monthly data.