Black-tailed Gull
Larus crassirostris
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusLarus (Large White-headed Gulls)
- SpeciesLarus crassirostris (Black-tailed Gull)
Closest Relatives at Wrangell-St. Elias National Park
Short-billed Gull
Larus brachyrhynchus
Glaucous-winged Gull
Larus glaucescens
American Herring Gull
Larus smithsonianus
California Gull
Larus californicus
Glaucous Gull
Larus hyperboreus
Iceland Gull
Larus glaucoides
Caspian Tern
Hydroprogne caspia
Arctic Tern
Sterna paradisaea
Black-legged Kittiwake
Rissa tridactyla
Aleutian Tern
Onychoprion aleuticus
Bonaparte's Gull
Chroicocephalus philadelphia
Sabine's Gull
Xema sabini
📅 Monthly Probability
Fewer than 5 records of Black-tailed Gull at Wrangell-St. Elias National Park — not enough to chart months honestly.
🕐 When They’re Spotted
Daily activity pattern needs at least 5 timestamped observations in GBIF. Not enough data yet for this species globally.
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 | Wrangell-St. Elias National Park | 🇺🇸 United States | |
| 2 | Taroko National Park | 🇹🇼 Taiwan |