Ring-billed Gull
Larus delawarensis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusLarus (Large White-headed Gulls)
- SpeciesLarus delawarensis (Ring-billed Gull)
Closest Relatives at Ciénaga de Zapata
American Herring Gull
Larus smithsonianus
Lesser Black-backed Gull
Larus fuscus
Royal Tern
Thalasseus maximus
Caspian Tern
Hydroprogne caspia
Laughing Gull
Leucophaeus atricilla
Black Skimmer
Rynchops niger
Gull-billed Tern
Gelochelidon nilotica
Forster's Tern
Sterna forsteri
Common Tern
Sterna hirundo
Sandwich Tern
Thalasseus sandvicensis
Least Tern
Sternula antillarum
Bonaparte's Gull
Chroicocephalus philadelphia
📅 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 Ring-billed Gull in Ciénaga de Zapata?
About 4% of visitor-days record a Ring-billed Gull sighting in Ciénaga de Zapata, based on 59 observer-days of citizen-science data from GBIF.
When is the best time to see Ring-billed Gull in Ciénaga de Zapata?
March has the highest sighting rate for Ring-billed Gull in Ciénaga de Zapata in our monthly data.