Birding spots · Colorado
Best Birding Spots in Costilla County, Colorado
Smith Reservoir leads Costilla County's birding spots with 185 species reported, best in spring. 4 spots in the county have enough data to rank.
Species counts are birds reported at least three times in that season at that spot, 2016–2025. Busy spots list more species simply because more people look, so compare the checklist counts. Spot names come from public map data and hotspot listings.
| Spot | Species | Winter | Spring | Summer | Fall |
|---|---|---|---|---|---|
| Smith Reservoir | 185 | 29 | 148 | 135 | 123 |
| Stabilization Reservoir | 90 | 3 | 69 | 36 | 37 |
| Mountain Home Reservoir | 89 | 0 | 40 | 36 | 47 |
| Birding spot near San Luis | 66 | 0 | 46 | 36 | 16 |