Recent Birds at Rio Bosque
Water deliveries to the park from the Roberto Bustamante Wastewater Treatment Plant resumed 5 May, and deliveries of irrigation water began 3 June. The old river channel now has water for ~95% of its length, and some water is going to the wetland cells.
A pair of Black-bellied Whistlng-Ducks on 6 June represented a new species for the park.
A Yellow-billed Cuckoo on 13 June was the first detected at the park since late May 2024.
The park's pair of White-tailed Kites has not been seen since 7 October 2025. A Cooper's Hawk pair currently has an active nest.
Burrowing Owls are currently using 3 sites in the northern portion of the park.
Northern Cardinals continue to be seen along the old river channel within the park.
You can download the current field checklist for the park here.
You can view recent Rio Bosque bird observations posted to eBird here.
| Species | Date | Number |
| Black-necked Stilt | 15 June | 1 |
| Neotropic Cormorant | 15 June | 1 |
| Green Heron | 15 June | 1 |
| Cooper's Hawk | 15 June | 2 |
| Swainson's Hawk | 15 June | 2 |
| Burrowing Owl | 15 June | 4 |
| Northern Cardinal | 15 June | 2 |
| Painted Bunting | 15 June | 1 |
| Black-bellied Whistling-Duck | 14 June | 2 |
| Bell's Vireo | 10 June | 1 |
| Yellow-breasted Chat | 10 June | 1 |
| Blue Grosbeak | 10 June | 1 |
| Black-crowned Night Heron | 9 June | 1-2 |
| Crissal Thrasher | 9 June | 1 |
| Black Phoebe | 7 June | 1 |
| Mississippi Kite | 4 June | 2 |
| White-faced Ibis | 2 June | 10 |
| American Avocet | 1 June | 1 |
| Common Yellowthroat | 26 May | 1 |
| Lesser Nighthawk | 20 May | 1 |
| Western Tanager | 17 May | 1 |
