Parasitic Jaeger
Stercorarius parasiticus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyStercorariidae (Skuas and Jaegers)
- GenusStercorarius (Skuas and Jaegers)
- SpeciesStercorarius parasiticus (Parasitic Jaeger)
Closest Relatives at El Vizcaíno Biosphere Reserve
Pomarine Jaeger
Stercorarius pomarinus
Western Gull
Larus occidentalis
Willet
Tringa semipalmata
Ring-billed Gull
Larus delawarensis
Marbled Godwit
Limosa fedoa
Long-billed Curlew
Numenius americanus
Caspian Tern
Hydroprogne caspia
Greater Yellowlegs
Tringa melanoleuca
Western Sandpiper
Calidris mauri
Killdeer
Charadrius vociferus
Royal Tern
Thalasseus maximus
Least Sandpiper
Calidris minutilla
📅 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 Parasitic Jaeger in El Vizcaíno Biosphere Reserve?
About 2% of visitor-days record a Parasitic Jaeger sighting in El Vizcaíno Biosphere Reserve, based on 20 observer-days of citizen-science data from GBIF.
When is the best time to see Parasitic Jaeger in El Vizcaíno Biosphere Reserve?
December has the highest sighting rate for Parasitic Jaeger in El Vizcaíno Biosphere Reserve in our monthly data.