Vol. 41 No. 1 (2026)

Published 20 February 2026

Articles

Alejandro A. Schaaf, Miguel F. Cura, Martin R. De la Peña
Cavity-nesting birds: evaluating the use of native and exotic tree species in the Espinal ecoregion
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DOI: https://doi.org/10.56178/eh.v41i1.1528
Gabriela T. Gabarain, Laura Fasola, Patrick I. Buchanan, Ignacio Roesler
Hand rearing of the Hooded Grebe (Podiceps gallardoi) and the Silvery Grebe (Podiceps occipitalis) as a fundamental recovery strategy for a critically endangered species
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DOI: https://doi.org/10.56178/eh.v41i1.1529
María M. Demmel Ferreira
Endocranial anatomy of the fossil furnariid Pseudoseisura cursor (Aves, Passeriformes): paleoecological perspectives and evolutionary implications
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DOI: https://doi.org/10.56178/eh.v41i1.1530
Alnizia Galdino Pereira, Kaylane de Oliveira Silva, Luana Alencar, Ighor Dienes Mendes, Edson Guilherme
Status of Nearctic and Austral migratory birds in the Brazilian state of Acre, Southwestern Amazon: insights from citizen science contributions
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DOI: https://doi.org/10.56178/eh.v41i1.1531
Vera Gabelli-Suarez, Flavio Quintana, Agustina Gómez-Laich
Optimizing the use of GPS devices to estimate home range and foraging areas in seabirds: The Imperial Shag as a case study
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DOI: https://doi.org/10.56178/eh.v41i1.1533
Maximiliano M. Hernandez, Juan Pablo Seco Pon, María P. Berón
Time–activity budgets of three coot species in a relict of human-modified coastal wetlands in southeastern Buenos Aires Province
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DOI: https://doi.org/10.56178/eh.v41i1.1534
Melisa A. Marquez, Sandra M. Cappelletti, Natalia G. Fracasi, Pamela Graff
Nest characteristics of secondary cavity-nesting birds using nest boxes in Lower Paraná Delta plantations
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DOI: https://doi.org/10.56178/eh.v41i1.1535
Melina Barrionuevo, Marcelo Acha, Esteban Frere
Key marine areas during penguin migration in the Argentine Sea: contributions to their conservation knowledge
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DOI: https://doi.org/10.56178/eh.v41i1.1537
Daniel Velasco-Cedeño, Elías Viteri-Basso, Walter Vivas, Ariel Guerrero-Campoverde
Birds in the Concrete Forest: Nest-site Use on Human-made Structures across Western Ecuador
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DOI: https://doi.org/10.56178/eh.v41i1.1538
Lucia Mentesana, Citizen Scientists, Nico M. Adreani
Nest-site characteristics of Rufous Hornero (Furnarius rufus) across its distribution as reported by citizen scientists
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DOI: https://doi.org/10.56178/eh.v41i1.1540
Cristian J. Alesio, Daniel A. Paiz, Julia Gastaudo, Eduardo P. Spiaggi, Pablo G. Rimoldi
The avifauna in the different landscape components of Arroyo Saladillo, southern Santa Fe Province, Argentina
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DOI: https://doi.org/10.56178/eh.v41i1.1541

Short Communications

Fabio Schunck, Marcelo Bokermann, Werner C.A. Bokermann
Wild hybridization between White-faced (Dendrocygna viduata) and Fulvous (D. bicolor) Whistling Ducks
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DOI: https://doi.org/10.56178/eh.v41i1.1536
Aylen María de Prinzio, Rocío Mariano-Jelicich, Martín Sotelo, Leandro M. Marbán, Sofía Copello
Discovery of Two New Colonies of Olrog’s Gull (Larus atlanticus) in the Bahía Blanca Estuary, Buenos Aires Province, Argentina
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DOI: https://doi.org/10.56178/eh.v41i1.1539