Recent Birds at Rio Bosque
Deliveries of irrigation water to the park ended 3 August. Water deliveries from the Roberto Bustamante Wastewater Treatment Plant continue. The full length of the old river channel still has water, and a small amount is going to the wetland cells.
The park's pair of White-tailed Kites has not been seen since 7 October 2025.
Burrowing Owls are currently using 3 sites in the northern portion of the park.
Northern Cardinals continue to be seen and heard 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-crowned Night Heron | 6 Oct | 1 |
| Swainson's Hawk | 6 Oct | 1 |
| Western Screech-Owl | 6 Oct | 1 |
| Burrowing Owl | 6 Oct | 1 |
| Crissal Thrasher | 6 Oct | 5 |
| Yellow-headed Blackbird | 6 Oct | 200+ |
| Nashville Warbler | 6 Oct | 1 |
| Sora | 5 Oct | 1 |
| Green Heron | 5 Oct | 1 |
| Belted Kingfisher | 20 Sep | 1 |
| White-faced Ibis | 12 Sep | 6 |
| Osprey | 11 Sep | 1 |
| Northern Cardinal | 8 Sep | 1 |