Black-billed Gull
Chroicocephalus bulleri
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusChroicocephalus (Masked Gulls and allies)
- SpeciesChroicocephalus bulleri (Black-billed Gull)
The black-billed gull (Chroicocephalus bulleri), also called Buller's gull or tarāpuka (Māori), is a Near Threatened species of gull in the family Laridae. This gull is found only in New Zealand, its ancestors having arrived from Australia around 250,000 years ago. Wikipedia →
<5% of wildlife watchers report a Black-billed Gull sighting in Rakiura National Park, based on 43 days of visitor records from GBIF citizen-science data.
Closest Relatives at Rakiura National Park
Silver Gull
Chroicocephalus novaehollandiae
Dominican Gull
Larus dominicanus
White-fronted Tern
Sterna striata
Black-fronted Tern
Chlidonias albostriatus
Antarctic Tern
Sterna vittata
Caspian Tern
Hydroprogne caspia
VOC
Haematopus unicolor
South Island Pied Oystercatcher
Haematopus finschi
Brown Skua
Stercorarius antarcticus
Masked Lapwing
Vanellus miles
Bar-tailed Godwit
Limosa lapponica
Snares Island Snipe
Coenocorypha huegeli
📅 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 | Fiordland National Park | 🇳🇿 New Zealand | |
| 2 | Tongariro National Park | 🇳🇿 New Zealand | |
| 3 | Abel Tasman National Park | 🇳🇿 New Zealand | |
| 4 | Aoraki Mount Cook National Park | 🇳🇿 New Zealand | |
| 5 | Rakiura National Park | 🇳🇿 New Zealand | |
| 6 | Arthur's Pass National Park | 🇳🇿 New Zealand |
Quick answers
What are the chances of seeing a Black-billed Gull in Rakiura National Park?
About 3% of wildlife watchers report a Black-billed Gull sighting in Rakiura National Park, based on 43 days of visitor records from GBIF citizen-science data.
When is the best time to see Black-billed Gull in Rakiura National Park?
August has the highest sighting rate for Black-billed Gull in Rakiura National Park in our monthly data.