| 1 | Padre Island National Seashore | 🇺🇸 United States | | |
| Laughing Gull | |
| Franklin's Gull | |
| 2 | Ría Lagartos Biosphere Reserve | 🇲🇽 Mexico | | |
| Laughing Gull | |
| Franklin's Gull | |
| 3 | Celestún Biosphere Reserve | 🇲🇽 Mexico | | |
| Laughing Gull | |
| Grey Gull | |
| Franklin's Gull | |
| 4 | Merritt Island National Wildlife Refuge | 🇺🇸 United States | | |
| Laughing Gull | |
| 5 | Elk Island National Park | 🇨🇦 Canada | | |
| Franklin's Gull | |
| 6 | Galápagos Islands | 🇪🇨 Ecuador | | |
| Lava Gull | |
| Franklin's Gull | |
| Laughing Gull | |
| Grey Gull | |
| 7 | Península Valdés | 🇦🇷 Argentina | | |
| Dolphin Gull | |
| 8 | Utría National Natural Park | 🇨🇴 Colombia | | |
| Laughing Gull | |
| Franklin's Gull | |
| 9 | Biotopo Cerro Cahuí | 🇬🇹 Guatemala | | |
| Laughing Gull | |
| 10 | Everglades National Park | 🇺🇸 United States | | |
| Laughing Gull | |
| 11 | Ciénaga de Zapata | 🇨🇺 Cuba | | |
| Laughing Gull | |
| 12 | Riding Mountain National Park | 🇨🇦 Canada | | |
| Franklin's Gull | |
| 13 | Isla del Coco National Park | 🇨🇷 Costa Rica | | |
| Franklin's Gull | |
| Laughing Gull | |
| 14 | Tierra del Fuego National Park | 🇦🇷 Argentina | | |
| Dolphin Gull | |
| Franklin's Gull | |
| 15 | Carara National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| Franklin's Gull | |
| 16 | Jaragua National Park | 🇩🇴 Dominican Republic | | |
| Laughing Gull | |
| 17 | Cabo Blanco Absolute Nature Reserve | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| Franklin's Gull | |
| 18 | Arrecifes de Cozumel National Park | 🇲🇽 Mexico | | |
| Laughing Gull | |
| 19 | Main Ridge Forest Reserve | 🇹🇹 Trinidad and Tobago | | |
| Laughing Gull | |
| 20 | Bastimentos Island National Marine Park | 🇵🇦 Panama | | |
| Laughing Gull | |
| Franklin's Gull | |
| 21 | Acadia National Park | 🇺🇸 United States | | |
| Laughing Gull | |
| Franklin's Gull | |
| 22 | Coiba National Park | 🇵🇦 Panama | | |
| Laughing Gull | |
| 23 | Machalilla National Park | 🇪🇨 Ecuador | | |
| Laughing Gull | |
| Franklin's Gull | |
| 24 | Tortuguero National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| 25 | San Lorenzo Protected Forest | 🇵🇦 Panama | | |
| Laughing Gull | |
| 26 | La Amistad International Park (Panama) | 🇵🇦 Panama | | |
| Laughing Gull | |
| Franklin's Gull | |
| 27 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico | | |
| Laughing Gull | |
| 28 | Parque Natural Metropolitano | 🇵🇦 Panama | | |
| Laughing Gull | |
| 29 | Las Baulas Marine National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| 30 | Palo Verde National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| Franklin's Gull | |
| 31 | Sian Ka'an Biosphere Reserve | 🇲🇽 Mexico | | |
| Laughing Gull | |
| 32 | Santa Rosa National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| 33 | Marino Ballena National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| Franklin's Gull | |
| 34 | Big Cypress National Preserve | 🇺🇸 United States | | |
| Laughing Gull | |
| 35 | Lago de Yojoa | 🇭🇳 Honduras | | |
| Laughing Gull | |
| 36 | Gandoca-Manzanillo Wildlife Refuge | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| 37 | Ostional Wildlife Refuge | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| 38 | Cahuita National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| 39 | Caroni Swamp | 🇹🇹 Trinidad and Tobago | | |
| Laughing Gull | |
| 40 | Soberanía National Park | 🇵🇦 Panama | | |
| Laughing Gull | |
| Franklin's Gull | |
| 41 | Corcovado National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| 42 | Piedras Blancas National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| 43 | Bahía de Loreto National Park | 🇲🇽 Mexico | | |
| Laughing Gull | |
| 44 | Manuel Antonio National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| 45 | Yellowstone National Park | 🇺🇸 United States | | |
| Franklin's Gull | |
| 46 | Tayrona National Natural Park | 🇨🇴 Colombia | | |
| Laughing Gull | |
| 47 | Grand Teton National Park | 🇺🇸 United States | | |
| Franklin's Gull | |
| 48 | Cumbres de Monterrey National Park | 🇲🇽 Mexico | | |
| Laughing Gull | |
| 49 | Rocky Mountain National Park | 🇺🇸 United States | | |
| Franklin's Gull | |
| 50 | Channel Islands National Park | 🇺🇸 United States | | |
| Franklin's Gull | |
| 51 | Yasuní National Park | 🇪🇨 Ecuador | | |
| Laughing Gull | |
| 52 | Arenal Volcano National Park | 🇨🇷 Costa Rica | | |
| Laughing Gull | |
| 53 | Great Bear Rainforest | 🇨🇦 Canada | | |
| Franklin's Gull | |
| 54 | Point Pelee National Park | 🇨🇦 Canada | | |
| Franklin's Gull | |