Heermann's Gull
Larus heermanni Cassin, 1852
Laridae — Gulls, Terns, Skimmers
Heermann's Gull, Larus heermanni, is a gull of the coasts of North America and Middle America, breeding mainly on Isla Rasa in the Gulf of California and also at scattered sites from Seaside in California to Nayarit in western Mexico. Outside the breeding season it ranges along the shoreline from south-western British Columbia to south-western Mexico. It is a distinctive west coast gull, with adults showing a grey body, dark wings and tail, and a red bill tipped black. The species was described by Cassin in 1852.
- Order
- Charadriiformes
- Family
- Laridae — Gulls, Terns, Skimmers
- Breeding range
- North America, Middle America: I. Rasa (n Gulf of California; 90-95%); sporadic breeding on islets from Seaside (c California) and Baja California to Nayarit (w Mexico)
- Nonbreeding range
- coasts from s British Columbia (sw Canada) to sw Mexico
