Western Marsh-Harrier
Circus aeruginosus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderAccipitriformes
- FamilyAccipitridae (Accipítrids)
- GenusCircus (Harriers)
- SpeciesCircus aeruginosus (Western Marsh-Harrier)
Closest Relatives at Pyrénées National Park
Hen Harrier
Circus cyaneus
Montagu's Harrier
Circus pygargus
Pale Harrier
Circus macrourus
Griffon Vulture
Gyps fulvus
Red Kite
Milvus milvus
Common Buzzard
Buteo buteo
Bearded Vulture
Gypaetus barbatus
Black Kite
Milvus migrans
Egyptian Vulture
Neophron percnopterus
Short-toed Eagle
Circaetus gallicus
Booted Eagle
Hieraaetus pennatus
Golden Eagle
Aquila chrysaetos
📅 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 Western Marsh-Harrier in Pyrénées National Park?
About 7% of visitor-days record a Western Marsh-Harrier sighting in Pyrénées National Park, based on 621 observer-days of citizen-science data from GBIF.
When is the best time to see Western Marsh-Harrier in Pyrénées National Park?
January has the highest sighting rate for Western Marsh-Harrier in Pyrénées National Park in our monthly data.