Heermann's gull
- kingdom: Animalia
- phylum: Chordata
- class: Aves
- order: Charadriiformes
- family: Laridae
- genus: Larus
- species: Larus heermanni
Colwood- Ladysmith
- Metchosin
- North Saanich
- Oak Bay
- Parksville
- Sechelt
- Sooke
- Tofino
- Ucluelet
- Victoria
- West End
- White Rock
British Columbia
Canada
El Sauzal- Ensenada
- Mulegé
- Primo Tapia
- Rodolfo Sánchez Taboada
- Rosarito
- San Felipe
Baja California- Bahía Asunción
- Cabo San Lucas
- El Pescadero
- La Paz
- Loreto
- San José del Cabo
- Santa Rosalía
- Todos Santos
Baja California Sur- Ciudad Camargo
Chihuahua- Manzanillo
Colima- Zihuatanejo
Guerrero- Jaluco
- Puerto Vallarta
- San Patricio
Jalisco
Mexico
Ketchikan
Alaska- Agoura Hills
- Alameda
- Alamo
- Albany
- Aptos
- Arcata
- Arroyo Grande
- Avalon
- Avila Beach
- Bayside
- Bayview
- Bellflower
- Belvedere
- Benicia
- Berkeley
- Bertsch-Oceanview
- Black Point-Green Point
- Bodega Bay
- Bolinas
- Brisbane
- Broadmoor
- Calabasas
- Calipatria
- Cambria
- Camp Pendleton North
- Camp Pendleton South
- Capitola
- Carlsbad
- Carmel-by-the-Sea
- Carpinteria
- Carson
- Castaic
- Cayucos
- Channel Islands Beach
- Chula Vista
- Clearlake
- Colma
- Coronado
- Corte Madera
- Costa Mesa
- Crescent City
- Crockett
- Culver City
- Daly City
- Dana Point
- Del Mar
- Del Monte Forest
- Del Rey Oaks
- Dollar Point
- East Palo Alto
- East Rancho Dominguez
- El Cajon
- El Cerrito
- El Granada
- El Rio
- El Segundo
- Elkhorn
- Emeryville
- Encinitas
- Eureka
- Ferndale
- Fort Bragg
- Foster City
- Freedom
- Fremont
- Goleta
- Grover Beach
- Guadalupe
- Half Moon Bay
- Hermosa Beach
- Hidden Hills
- Huntington Beach
- Imperial Beach
- Inverness
- Irvine
- Isla Vista
- Kensington
- La Jolla
- La Mirada
- La Presa
- La Selva Beach
- Ladera Heights
- Laguna Beach
- Lake Elsinore
- Lakeland Village
- Larkspur
- Las Flores
- Las Lomas
- Live Oak
- Lomita
- Long Beach
- Los Alamitos
- Los Osos
- Malibu
- Malibu Beach
- Manhattan Beach
- Marin City
- Marina
- Marina del Rey
- Martinez
- McKinleyville
- Mill Valley
- Millbrae
- Montara
- Montecito
- Monterey
- Moorpark
- Morro Bay
- Moss Beach
- Myrtletown
- National City
- Newport Beach
- Nipomo
- Oakland
- Oceano
- Oceanside
- Opal Cliffs
- Oxnard
- Oxnard Shores
- Pacific Grove
- Pacifica
- Pajaro
- Palmdale
- Palo Alto
- Palos Verdes Estates
- Pasadena
- Pasatiempo
- Piedmont
- Pismo Beach
- Port Hueneme
- Rancho Palos Verdes
- Redondo Beach
- Redwood City
- Redwood Shores
- Richmond
- Rio Del Mar
- Rolling Hills
- Rolling Hills Estates
- Rossmoor
- San Bruno
- San Clemente
- San Diego
- San Francisco
- San Joaquin Hills
- San Juan Capistrano
- San Pedro
- Santa Barbara
- Santa Cruz
- Santa Monica
- Santee
- Saticoy
- Sausalito
- Sea Ranch
- Seacliff
- Seal Beach
- Seaside
- Solana Beach
- Soquel
- South Pasadena
- South San Francisco
- Strawberry
- Summerland
- Tamalpais Valley
- Tamalpais-Homestead Valley
- Thousand Oaks
- Tiburon
- Toro Canyon
- Twin Lakes
- Union City
- Vacaville
- Vallejo
- Ventura
- Watsonville
- West Carson
- Westhaven-Moonstone
- Willowbrook
California- Saint Pete Beach
- South Pasadena
Florida- Astoria
- Bandon
- Barview
- Bay City
- Bend
- Brookings
- Bunker Hill
- Cannon Beach
- Coos Bay
- Coquille
- Depoe Bay
- Florence
- Gearhart
- Gold Beach
- Harbor
- Independence
- Klamath Falls
- Lincoln Beach
- Lincoln City
- Monmouth
- Newport
- North Bend
- Pacific City
- Philomath
- Port Orford
- Reedsport
- Rockaway Beach
- Saint Helens
- Seaside
- Springfield
- Tillamook
- Waldport
- Warrenton
Oregon- Aberdeen
- Anacortes
- Ault Field
- Bainbridge Island
- Bellingham
- Bremerton
- Coupeville
- Des Moines
- Edmonds
- Enetai
- Everett
- Freeland
- Friday Harbor
- Gig Harbor
- Hansville
- Hoquiam
- Indianola
- Kingston
- Long Beach
- Manchester
- Meadowdale
- Mukilteo
- Oak Harbor
- Ocean Park
- Ocean Shores
- Olympia
- Point Roberts
- Port Angeles
- Port Angeles East
- Port Hadlock-Irondale
- Port Ludlow
- Port Townsend
- Poulsbo
- Purdy
- Richland
- Seattle
- Sequim
- South Bend
- Southworth
- Steilacoom
- Suquamish
- Tacoma
- Tulalip
- University Place
- Wauna
- Westport
- Woodway
Washington
United States