California Gull

California Gull

Larus californicus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability Insufficient data
at Saguaro National Park
2 Verified sightings at Saguaro National Park From 2019 to 2026
19,120 Verified sightings across all 27 parks From 2019 to 2026
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the California Gull

The California gull (Larus californicus) is a medium-sized gull, smaller on average than the herring gull, but larger on average than the ring-billed gull (though it may overlap in size with both). Although named after California, it can be found annually across most of western North America, from the Canadian prairie provinces in the northeast and south through western Mexico.

The breeding habitat of the California gull are lakes and marshes in interior western North America from the Northwest Territories, Canada south to eastern California and Colorado. They nest in colonies, sometimes with other birds. The nest is a shallow depression on the ground lined with vegetation and feathers. The female usually lays 2 or 3 eggs. Both parents take turns feeding their chicks.

California gulls are migratory, with most moving to the Pacific coast in winter, during which time they can regularly be found in western California. There are two subspecies recognized, the nominate from the Great Basin to central Montana and Wyoming, and the slightly larger, paler L. c. albertaensis with a more northerly distribution, ranging from Great Slave Lake onto... Wikipedia →

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 Daily sighting probability
1 Pacific Rim National Park Reserve 🇨🇦 Canada
~40%
2 Channel Islands National Park 🇺🇸 United States
~40%
3 Redwood National Park 🇺🇸 United States
~20%
4 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
~20%
5 Great Bear Rainforest 🇨🇦 Canada
~20%
6 Olympic National Park 🇺🇸 United States
~20%
7 Death Valley National Park 🇺🇸 United States
~10%
8 Cabo Pulmo National Park 🇲🇽 Mexico
~10%
9 Bahía de Loreto National Park 🇲🇽 Mexico
~10%
10 Yellowstone National Park 🇺🇸 United States
~10%
11 Elk Island National Park 🇨🇦 Canada
~10%
12 Yosemite National Park 🇺🇸 United States
~10%
13 Grand Teton National Park 🇺🇸 United States
<5%
14 Sequoia and Kings Canyon National Parks 🇺🇸 United States
<5%
15 Glacier National Park 🇺🇸 United States
<5%
16 Banff National Park 🇨🇦 Canada
<5%
17 Joshua Tree National Park 🇺🇸 United States
<5%
18 Jasper National Park 🇨🇦 Canada
<5%
19 Rocky Mountain National Park 🇺🇸 United States
<5%
20 Celestún Biosphere Reserve 🇲🇽 Mexico
<5%
21 Grand Canyon National Park 🇺🇸 United States
<5%
22 Wood Buffalo National Park 🇨🇦 Canada
Insufficient data
23 Wrangell-St. Elias National Park 🇺🇸 United States
Insufficient data
24 Riding Mountain National Park 🇨🇦 Canada
Insufficient data
25 Zion National Park 🇺🇸 United States
Insufficient data
26 Point Pelee National Park 🇨🇦 Canada
Insufficient data
27 Saguaro National Park 🇺🇸 United States
Insufficient data
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