Laura A. Silva, Laura Siles, Luis Cardona, Mauricio Tavares, Enrique Crespo, Patricia Gandini Seasonal diet of Magellanic Penguin (Spheniscus magellanicus) juveniles revealed with a stable isotopes analysis of claws https://doi.org/10.56178/eh.v30i2.582 PDF (Spanish) 45-54
Oscar Ramírez-Alán, Roberto Vargas-Masís, Roberto A. Cordero Changes in the altitudinal distribution of birds in Río Macho, Cartago, Costa Rica https://doi.org/10.56178/eh.v30i2.583 PDF (Spanish) 55-61
Patricia Capllonch Moult strategies in three species of Argentinean thrushes https://doi.org/10.56178/eh.v30i2.584 PDF (Spanish) 63-68
Bernabé López-Lanús Comparative analysis of vocalizations from different American taxa of the genus Bubo https://doi.org/10.56178/eh.v30i2.585 PDF (Spanish) 69-88
Eliana Flores Bedregal, Orlando Herrera Carrasco, José M. Capriles Sightings of the Rufous-throated Dipper (Cinclus schulzi) in Cordillera de Sama, Bolivia. https://doi.org/10.56178/eh.v30i2.586 PDF (Spanish) 89-93
Lucas M. Leveau Avian urban ecology: behavioural and physiological adaptations https://doi.org/10.56178/eh.v30i2.588 PDF (Spanish) 98-99
Juan Pablo Seco Pon, Marco Favero Peterson reference guide to seawatching. Eastern waterbirds in flight https://doi.org/10.56178/eh.v30i2.589 PDF (Spanish) 100-101
Ricardo Rozzi, Francisca Massardo Ethno-ornithology. Birds, indigenous peoples, culture and society https://doi.org/10.56178/eh.v30i2.590 PDF (Spanish) 101-105