Eastern Marsh-Harrier
Circus spilonotus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAccipitriformes
- FamilyAccipitridae (Accipítrids)
- GenusCircus (Harriers)
- SpeciesCircus spilonotus (Eastern Marsh-Harrier)
Closest Relatives at Cuc Phuong National Park
Crested Serpent Eagle
Spilornis cheela
Oriental Honey-buzzard
Pernis ptilorhynchus
Mountain Hawk-Eagle
Nisaetus nipalensis
Gray-faced Buzzard
Butastur indicus
Black Eagle
Ictinaetus malayensis
Black Kite
Milvus migrans
Jerdon's Baza
Aviceda jerdoni
Rufous-bellied Eagle
Lophotriorchis kienerii
Black Baza
Aviceda leuphotes
📅 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 | Cuc Phuong National Park | 🇻🇳 Vietnam | |
| 2 | Khao Yai National Park | 🇹🇭 Thailand | |
| 3 | Way Kambas National Park | 🇮🇩 Indonesia | |
| 4 | Kaziranga National Park | 🇮🇳 India | |
| 5 | Cat Tien National Park | 🇻🇳 Vietnam | |
| 6 | Nikko National Park | 🇯🇵 Japan | |
| 7 | Kerinci Seblat National Park | 🇮🇩 Indonesia | |
| 8 | Gobi Gurvansaikhan National Park | 🇲🇳 Mongolia | |
| 9 | Doi Inthanon National Park | 🇹🇭 Thailand | |
| 10 | Kaeng Krachan National Park | 🇹🇭 Thailand |
Quick answers
What are the chances of seeing a Eastern Marsh-Harrier in Cuc Phuong National Park?
About 2% of visitor-days record a Eastern Marsh-Harrier sighting in Cuc Phuong National Park, based on 5 observer-days of citizen-science data from GBIF.
When is the best time to see Eastern Marsh-Harrier in Cuc Phuong National Park?
April has the highest sighting rate for Eastern Marsh-Harrier in Cuc Phuong National Park in our monthly data.