Coccyzus americanus occidentalis
Johnson, M. 2021. Permit data for SWFL and YBCU for 2020 and 2021 TE43746A-3
Kaleta, M. 2025. FWS survey data for YBCU. Madeleine Kaleta, SW Regional Wildlife Biologist, NMDGF Las Cruces.
Hawks Aloft. 2024. FWS permit data for YBCU.
Hawks Aloft. 2023. FWS survey data for YBCU.
Hawks Aloft. 2022. FWS survey data for YBCU.
Save Our Bosque. 2021. FWS permit data from YBCU surveys by Save Our Bosque. Unknown permit number.
D. Ahlers, Bureau of Reclamation. 2017. Survey forms for Southwest Willow Flycatcher and Yellow-billed Cuckoo for 2017.
United States Fish and Wildlife Service. 2002. Endangered and threatened wildlife and plants; Review of species that are candidates or proposed for listing as endangered or threatened; Annuals notice of findings on recycled petitions; Annual description o
Gaines, Karen H. and S. Boczkiewicz. 1995. Specimen tag information from the New Mexico State University vertebrate museum, Las Cruces. 14 December 1995.
D. Moore, Bureau of Reclamation. 2016. Survey forms, spreadsheets, and shapefiles of Southwestern Willow Flycatcher and Yellow-billled Cuckoo detections for 2016. U.S. Department of Interior, Bureau of Reclamation.