Whistling Heron
Syrigma sibilatrix
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderPelecaniformes (Pelicaniformes)
- FamilyArdeidae (Herons, Egrets, and Bitterns)
- GenusSyrigma
- SpeciesSyrigma sibilatrix (Whistling Heron)
Closest Relatives at Iberá National Park
Great Egret
Ardea alba
Cocoi Heron
Ardea cocoi
Snowy Egret
Egretta thula
Rufescent Tiger Heron
Tigrisoma lineatum
Striated Heron
Butorides striata
Black-crowned Night Heron
Nycticorax nycticorax
Cattle Egret
Bubulcus ibis
Pinnated Bittern
Botaurus pinnatus
Little Blue Heron
Egretta caerulea
Bare-faced Ibis
Phimosus infuscatus
White-faced Ibis
Plegadis chihi
Roseate Spoonbill
Platalea ajaja
📅 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
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Emas National Park | 🇧🇷 Brazil | |
| 2 | Iberá National Park | 🇦🇷 Argentina | |
| 3 | Sierra de la Macarena National Park | 🇨🇴 Colombia | |
| 4 | El Palmar National Park | 🇦🇷 Argentina | |
| 5 | El Impenetrable National Park | 🇦🇷 Argentina | |
| 6 | Amboró National Park | 🇧🇴 Bolivia | |
| 7 | Chingaza National Natural Park | 🇨🇴 Colombia | |
| 8 | Serra da Canastra National Park | 🇧🇷 Brazil | |
| 9 | Parque Estadual Encontro das Águas | 🇧🇷 Brazil | |
| 10 | Henri Pittier National Park | 🇻🇪 Venezuela | |
| 11 | Iguazú National Park | 🇦🇷 Argentina | |
| 12 | Iguaçu National Park | 🇧🇷 Brazil | |
| 13 | Chapada Diamantina National Park | 🇧🇷 Brazil | |
| 14 | Itatiaia National Park | 🇧🇷 Brazil | |
| 15 | Madidi National Park | 🇧🇴 Bolivia | |
| 16 | Chapada dos Guimarães National Park | 🇧🇷 Brazil | |
| 17 | Tijuca National Park | 🇧🇷 Brazil | |
| 18 | Yasuní National Park | 🇪🇨 Ecuador | |
| 19 | Cuyabeno Wildlife Reserve | 🇪🇨 Ecuador | |
| 20 | Serra dos Órgãos National Park | 🇧🇷 Brazil | |
| 21 | Amacayacu National Natural Park | 🇨🇴 Colombia |
Quick answers
What are the chances of seeing a Whistling Heron in Iberá National Park?
About 41% of visitor-days record a Whistling Heron sighting in Iberá National Park, based on 669 observer-days of citizen-science data from GBIF.
When is the best time to see Whistling Heron in Iberá National Park?
September has the highest sighting rate for Whistling Heron in Iberá National Park in our monthly data.