Cassin's Auklet
Ptychoramphus aleuticus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassAves (Aus)
- OrderCharadriiformes (Caradriformes)
- FamilyAlcidae (Auks, Murres, and Puffins)
- GenusPtychoramphus (Cassin's Auklets)
- SpeciesPtychoramphus aleuticus (Cassin's Auklet)
Closest Relatives at Pacific Rim National Park Reserve
Marbled Murrelet
Brachyramphus marmoratus
Common Murre
Uria aalge
Pigeon Guillemot
Cepphus columba
Rhinoceros Auklet
Cerorhinca monocerata
Ancient Murrelet
Synthliboramphus antiquus
Tufted Puffin
Fratercula cirrhata
Horned Puffin
Fratercula corniculata
Glaucous-winged Gull
Larus glaucescens
Black Oystercatcher
Haematopus bachmani
California Gull
Larus californicus
Whimbrel
Numenius hudsonicus
Short-billed Gull
Larus brachyrhynchus
📅 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 | Channel Islands National Park | 🇺🇸 United States | |
| 2 | Great Bear Rainforest | 🇨🇦 Canada | |
| 3 | Pacific Rim National Park Reserve | 🇨🇦 Canada | |
| 4 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico | |
| 5 | Olympic National Park | 🇺🇸 United States | |
| 6 | Kenai Fjords National Park | 🇺🇸 United States | |
| 7 | Wrangell-St. Elias National Park | 🇺🇸 United States |
Quick answers
What are the chances of seeing a Cassin's Auklet in Pacific Rim National Park Reserve?
About 2% of visitor-days record a Cassin's Auklet sighting in Pacific Rim National Park Reserve, based on 48 observer-days of citizen-science data from GBIF.
When is the best time to see Cassin's Auklet in Pacific Rim National Park Reserve?
November has the highest sighting rate for Cassin's Auklet in Pacific Rim National Park Reserve in our monthly data.