California Gull
Larus californicus
- KingdomAnimalia (Animals)
- PhylumChordata (Chordates)
- ClassAves (Birds)
- OrderCharadriiformes (Shorebirds and Allies)
- FamilyLaridae (Gulls, Terns, and Skimmers)
- GenusLarus (Large White-headed Gulls)
- SpeciesLarus californicus (California Gull)
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 →
Closest Relatives at Saguaro National Park
Ring-billed Gull
Larus delawarensis
Iceland Gull
Larus glaucoides
Heermann's Gull
Larus heermanni
Sabine's Gull
Xema sabini
Elegant Tern
Thalasseus elegans
Black-legged Kittiwake
Rissa tridactyla
Arctic Tern
Sterna paradisaea
Bonaparte's Gull
Chroicocephalus philadelphia
Forster's Tern
Sterna forsteri
Franklin's Gull
Leucophaeus pipixcan
Least Tern
Sternula antillarum
Killdeer
Charadrius vociferus
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