Víctor R. Cueto, Alex E. Jahn On the need for a standardized name for birds that migrate within South America https://doi.org/10.56178/eh.v23i1.743 PDF (Spanish) 1-4
Jimmy Pincheira-Ulbrich, Jenner Rodas-Trejo , Viviana P. Almanza, Jaime R. Rau The conservation status of raptors in Chile https://doi.org/10.56178/eh.v23i1.744 PDF (Spanish) 5-13
Viviane Barquete, Carolus Maria Vooren , Leandro Bugoni Seasonal abundance of the Neotropic Cormorant (Phalacrocorax brasilianus) at Lagoa dos Patos estuary, southern Brazil https://doi.org/10.56178/eh.v23i1.745 PDF 15-22
Gabriel J. Castaño-Villa, Juan C. Patiño-Zabala Local extinctions of birds in forest fragments in the Santa Elena region, central Andes, Colombia https://doi.org/10.56178/eh.v23i1.746 PDF (Spanish) 23-34
Alejandro Bodrati, Kristina Cockle The Pacific Dove (Zenaida meloda): a new species for the avifauna of Argentina https://doi.org/10.56178/eh.v23i1.747 PDF (Spanish) 35-36
Pablo F. Petracci, Martín R. Sotelo, Lucrecia I. Díaz A new colony of Olrog’s Gull (Larus atlanticus) in the Bahía Blanca, Bahía Falsa and Bahía Verde Natural Reserve, Buenos Aires, Argentina https://doi.org/10.56178/eh.v23i1.748 PDF (Spanish) 37-40
Horacio F. Matarasso, Félix Rodrigo Seró López The Chilean Mockingbird (Mimus thenca) in Neuquén Province: a new species for Argentina https://doi.org/10.56178/eh.v23i1.749 PDF (Spanish) 41-43
Alejandro Bodrati , Ignacio Roesler, Juan Ignacio Areta, Luis G. Pagano, Emilio A. Jordan, Matías Juhant Three species of the genus Tityra in Argentina https://doi.org/10.56178/eh.v23i1.750 PDF (Spanish) 45-49
Walter Sergio Svagelj Pelicans, cormorants, and their relatives: the Pelecaniformes https://doi.org/10.56178/eh.v23i1.751 PDF (Spanish) 51-53
Valeria S. Ojeda Atlas y guía de aves de la Región de los Lagos: veinte años no es nada https://doi.org/10.56178/eh.v23i1.752 PDF (Spanish) 54-57