https://fieldguide.mt.gov/speciesDetail.aspx?elcode=ABNNM03110
California Gull - Montana Field Guide
Montana Field Guide contains a wealth of information about Montana's diverse species.
california gullmontanafieldguide
https://www.nationalgeographic.com/animals/birds/facts/california-gull
California Gull | National Geographic | National Geographic
Discover why this shorebird is so closely tied to the saline lakes of North America's Western interior.
california gullnationalgeographic