| 1 | El Vizcaíno Biosphere Reserve | 🇲🇽 Mexico | | |
| Short-billed Dowitcher | |
| Long-billed Dowitcher | |
| 2 | Ría Lagartos Biosphere Reserve | 🇲🇽 Mexico | | |
| Short-billed Dowitcher | |
| Long-billed Dowitcher | |
| 3 | Merritt Island National Wildlife Refuge | 🇺🇸 United States | | |
| Long-billed Dowitcher | |
| Short-billed Dowitcher | |
| 4 | Isla del Coco National Park | 🇨🇷 Costa Rica | | |
| Short-billed Dowitcher | |
| 5 | Ciénaga de Zapata | 🇨🇺 Cuba | | |
| Short-billed Dowitcher | |
| 6 | Katmai National Park | 🇺🇸 United States | | |
| Short-billed Dowitcher | |
| 7 | Pacific Rim National Park Reserve | 🇨🇦 Canada | | |
| Short-billed Dowitcher | |
| Long-billed Dowitcher | |
| 8 | Arrecifes de Cozumel National Park | 🇲🇽 Mexico | | |
| Short-billed Dowitcher | |
| 9 | Everglades National Park | 🇺🇸 United States | | |
| Short-billed Dowitcher | |
| Long-billed Dowitcher | |
| 10 | Padre Island National Seashore | 🇺🇸 United States | | |
| Long-billed Dowitcher | |
| Short-billed Dowitcher | |
| 11 | Kluane National Park | 🇨🇦 Canada | | |
| Long-billed Dowitcher | |
| 12 | Jaragua National Park | 🇩🇴 Dominican Republic | | |
| Short-billed Dowitcher | |
| 13 | Caroni Swamp | 🇹🇹 Trinidad and Tobago | | |
| Short-billed Dowitcher | |
| 14 | Celestún Biosphere Reserve | 🇲🇽 Mexico | | |
| Short-billed Dowitcher | |
| Long-billed Dowitcher | |
| 15 | Channel Islands National Park | 🇺🇸 United States | | |
| Short-billed Dowitcher | |
| Long-billed Dowitcher | |
| 16 | Bahía de Loreto National Park | 🇲🇽 Mexico | | |
| Long-billed Dowitcher | |
| Short-billed Dowitcher | |
| 17 | Palo Verde National Park | 🇨🇷 Costa Rica | | |
| Short-billed Dowitcher | |
| Long-billed Dowitcher | |
| 18 | Bastimentos Island National Marine Park | 🇵🇦 Panama | | |
| Short-billed Dowitcher | |
| 19 | Carara National Park | 🇨🇷 Costa Rica | | |
| Short-billed Dowitcher | |
| 20 | Coiba National Park | 🇵🇦 Panama | | |
| Short-billed Dowitcher | |
| 21 | Death Valley National Park | 🇺🇸 United States | | |
| Long-billed Dowitcher | |
| 22 | Point Pelee National Park | 🇨🇦 Canada | | |
| Short-billed Dowitcher | |
| Long-billed Dowitcher | |
| 23 | Great Bear Rainforest | 🇨🇦 Canada | | |
| Short-billed Dowitcher | |
| Long-billed Dowitcher | |
| 24 | Big Cypress National Preserve | 🇺🇸 United States | | |
| Long-billed Dowitcher | |
| Short-billed Dowitcher | |
| 25 | Piedras Blancas National Park | 🇨🇷 Costa Rica | | |
| Short-billed Dowitcher | |
| 26 | La Amistad International Park (Panama) | 🇵🇦 Panama | | |
| Short-billed Dowitcher | |
| 27 | Santa Rosa National Park | 🇨🇷 Costa Rica | | |
| Short-billed Dowitcher | |
| 28 | Elk Island National Park | 🇨🇦 Canada | | |
| Long-billed Dowitcher | |
| 29 | Gandoca-Manzanillo Wildlife Refuge | 🇨🇷 Costa Rica | | |
| Short-billed Dowitcher | |
| 30 | Yellowstone National Park | 🇺🇸 United States | | |
| Long-billed Dowitcher | |
| 31 | Wadden Sea National Park | 🇩🇪 Germany | | |
| Long-billed Dowitcher | |
| 32 | Olympic National Park | 🇺🇸 United States | | |
| Long-billed Dowitcher | |
| Short-billed Dowitcher | |
| 33 | Kaziranga National Park | 🇮🇳 India | | |
| Long-billed Dowitcher | |
| 34 | Sian Ka'an Biosphere Reserve | 🇲🇽 Mexico | | |
| Short-billed Dowitcher | |
| 35 | Grand Teton National Park | 🇺🇸 United States | | |
| Long-billed Dowitcher | |
| 36 | Acadia National Park | 🇺🇸 United States | | |
| Short-billed Dowitcher | |
| 37 | Doñana National Park | 🇪🇸 Spain | | |
| Long-billed Dowitcher | |
| 38 | Redwood National Park | 🇺🇸 United States | | |
| Short-billed Dowitcher | |
| 39 | Galápagos Islands | 🇪🇨 Ecuador | | |
| Short-billed Dowitcher | |
| 40 | Saguaro National Park | 🇺🇸 United States | | |
| Long-billed Dowitcher | |
| 41 | Parque Natural Metropolitano | 🇵🇦 Panama | | |
| Short-billed Dowitcher | |