Gull-billed Tern
Gelochelidon nilotica
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusGelochelidon (Gull-billed Terns)
- SpeciesGelochelidon nilotica (Gull-billed Tern)
The gull-billed tern (Gelochelidon nilotica) is a tern in the family Laridae. It is widely distributed and breeds in scattered localities in Europe, Asia, northwest Africa, and the Americas. The Australian gull-billed tern was previously considered a subspecies. Wikipedia →
<5% of wildlife watchers report a Gull-billed Tern sighting in El Vizcaíno Biosphere Reserve, based on 15 days of visitor records from GBIF citizen-science data.
Closest Relatives at El Vizcaíno Biosphere Reserve
Western Gull
Larus occidentalis
Ring-billed Gull
Larus delawarensis
Caspian Tern
Hydroprogne caspia
Royal Tern
Thalasseus maximus
Forster's Tern
Sterna forsteri
California Gull
Larus californicus
American Herring Gull
Larus smithsonianus
Heermann's Gull
Larus heermanni
Bonaparte's Gull
Chroicocephalus philadelphia
Lesser Black-backed Gull
Larus fuscus
Laughing Gull
Leucophaeus atricilla
Black Skimmer
Rynchops niger
📅 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 Gull-billed Tern in El Vizcaíno Biosphere Reserve?
About 2% of wildlife watchers report a Gull-billed Tern sighting in El Vizcaíno Biosphere Reserve, based on 15 days of visitor records from GBIF citizen-science data.
When is the best time to see Gull-billed Tern in El Vizcaíno Biosphere Reserve?
February has the highest sighting rate for Gull-billed Tern in El Vizcaíno Biosphere Reserve in our monthly data.