Andes - Journal of Field Ornithology

Past issues of JFO may be accessible at the following sites:

2006 - 2021 at Wiley
2000 - 2005 at BioOne
Older JFO articles (1930-1999) are available for free download through the Searchable Ornithological
Research Archive (SORA)

Vocalizations distinguish the cryptic giant hummingbird species and clarify range limits PDF

Bryce W. Robinson, Christopher C. Witt, Jessie L. Williamson, Ryan J. Zucker, Thomas Valqui
Use of acoustic monitoring to estimate occupancy of the Antioquia Brushfinch (Atlapetes blancae), a critically endangered species, in San Pedro de los Milagros, Antioquia PDF

Andrea Lopera-Salazar, Juan L. Parra, Mauricio Díaz-Vallejo, Michael Castaño-Díaz, Rodolfo Correa, Sergio Chaparro-Herrera