Cepphus (True Guillemots)

Genus

True Guillemots

Cepphus

2 species in our catalog · found in 15 parks

Species in this group

Each card shows the species at its best park — tap for the full profile

Pigeon Guillemot
LC

Pigeon Guillemot

☀️ Diurnal Bird

Cepphus columba

Daily sighting probability ~60% · Likely
Black Guillemot
LC

Black Guillemot

☀️ Diurnal Bird

Cepphus grylle

Daily sighting probability ~40% · Likely

Daily sighting probability by month

Probability-weighted average across the group's species

~40%
Jan
~40%
Feb
~40%
Mar
~30%
Apr
~20%
May
~30%
Jun
~30%
Jul
~30%
Aug
~30%
Sep
~30%
Oct
~40%
Nov
~40%
Dec

When they're spotted

When the group's species are recorded (aggregated)

☀️🌙🌙12am6am12pm6pm12am

Where to see True Guillemots

Worldwide records of this group (human observations from 2019 onwards, GBIF). Pins mark our parks — tap one for the chance of seeing at least one species of the group there.

Parks Ranked

Chance of seeing at least one species of the group · number of its species present

#ParkCountrySpeciesDaily sighting probability
1 Kenai Fjords National Park 🇺🇸 United States 1
~60%
2 Acadia National Park 🇺🇸 United States 1
~40%
3 Vatnajokull National Park 🇮🇸 Iceland 1
~30%
4 Cape Breton Highlands National Park 🇨🇦 Canada 1
~30%
5 Great Bear Rainforest 🇨🇦 Canada 1
~20%
6 Pacific Rim National Park Reserve 🇨🇦 Canada 1
~20%
7 Katmai National Park 🇺🇸 United States 1
~10%
8 Olympic National Park 🇺🇸 United States 1
~10%
9 Channel Islands National Park 🇺🇸 United States 1
~10%
10 Gros Morne National Park 🇨🇦 Canada 1
~10%
11 Redwood National Park 🇺🇸 United States 1
~10%
12 Wrangell-St. Elias National Park 🇺🇸 United States 1
<5%
13 Wadden Sea National Park 🇩🇪 Germany 1
<5%
14 Snowdonia National Park 🇬🇧 United Kingdom 1
<5%
15 Cairngorms National Park 🇬🇧 United Kingdom 1
<5%