Uso de un dormidero por Eufonias (Euphonia spp.) asociado a otras especies de aves en Costa Rica

Juan F. Cataudela; J. Edgardo Arévalo

doi:10.56178/na.v71i.1202

Articles Published 23 September 2026 https://doi.org/10.56178/na.v71i.1202

Use of a roosting site by Euphonias (Euphonia spp.) associated with other bird species in Costa Rica

communal roosting Euphonia luteicapilla interspecific aggregations roosting behavior tropical birds

Juan F. Cataudela Laboratorio de Biología de la Conservación, Centro de Ecología Aplicada del Litoral, CONICET-UNNE, Corrientes, Argentina

J. Edgardo Arévalo Escuela de Biología, Universidad de Costa Rica, San Pedro, San José, Costa Rica

Abstract

We describe the use of a communal roost by Euphonias (Euphonia spp.) in the Wilson Botanical Garden, Costa Rica, based on direct observations conducted over four consecutive days in January 2024, at dusk and during the night. We recorded groups of five to eight individuals, along with the Rufous-collared Sparrow (Zonotrichia capensis), the Summer Tanager (Piranga rubra), and two species of the genus Elaenia. Roost use was temporary and associated with vegetation structure, suggesting that dense foliage may influence roost site selection.

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References

Beauchamp G (1999) The evolution of communal roosting in birds: origin and secondary losses. Behavioral Ecology 10: 675–687
Cuadros CS (2025) The origins of communal roosting behaviour in birds. MSc Thesis, University of British Columbia (Okanagan), Kelowna, British Columbia, Canada
Gilbert C, McCafferty D, Le Maho Y, Martrette J, Giroud S, Blanc S, Ancel A (2010) One for all and all for one: The energetic benefits of huddling in endotherms. Biological Reviews 85(3): 545–569
Hilty SL (2011) Family Thraupidae (Tanagers). En: del Hoyo J, Elliott A, Christie DA (eds) Handbook of the Birds of the World. Vol. 16: Tanagers to New World Blackbirds. Lynx Edicions, Barcelona, pp 46–329
Isler ML, Isler PR (1999) The tanagers: natural history, distribution and identification. Smithsonian Institution Press, Washington
Kriebel R, Oviedo-Brenes F (2013) A new species of Miconia from the remaining primary forest at Las Cruces Biological Station in Costa Rica. Phytotaxa 126(1): 55–60
Skutch AF (1954) Life histories of Central American birds (families Fringillidae, Thraupidae, Icteridae, Parulidae, and Coerebidae). Pacific Coast Avifauna 31: 1-448
Ward P, Zahavi A (1973) The importance of certain assemblages of birds as “information centres” for food finding. Ibis 115: 517–534
Weatherhead PJ (1983) Two principal strategies in avian communal roosts. American Naturalist 121(2): 237–243
Winkler DW, Billerman SM, Lovette IJ (2020) Finches, Euphonias, and Allies (Fringillidae), version 1.0. En: Birds of the World, Billerman SM, Keeney BK, Rodewald PG, Schulenberg TS (eds). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.fringi1.01. Accedido el 15/3/2026
Wiebe RA (2019) Observations of Blue-naped Chlorophonias (Chlorophonia cyanea) in the lowlands of the Madre de Dios Department, Peru, with comments on the species’ presence in the Amazonian lowlands. Boletín UNOP 14(1): 5–9
Zahawi RA, Duran G, Kormann U (2015) Sixty-seven years of land-use change in southern Costa Rica. PLOS ONE 10(11): e014355

How to cite

Juan F. Cataudela, J. Edgardo Arévalo (2026). Use of a roosting site by Euphonias (Euphonia spp.) associated with other bird species in Costa Rica. Nuestras Aves, Vol. 71 (2026). https://doi.org/10.56178/na.v71i.1202

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[1] Beauchamp G (1999) The evolution of communal roosting in birds: origin and secondary losses. Behavioral Ecology 10: 675–687

[2] Cuadros CS (2025) The origins of communal roosting behaviour in birds. MSc Thesis, University of British Columbia (Okanagan), Kelowna, British Columbia, Canada

[3] Gilbert C, McCafferty D, Le Maho Y, Martrette J, Giroud S, Blanc S, Ancel A (2010) One for all and all for one: The energetic benefits of huddling in endotherms. Biological Reviews 85(3): 545–569

[4] Hilty SL (2011) Family Thraupidae (Tanagers). En: del Hoyo J, Elliott A, Christie DA (eds) Handbook of the Birds of the World. Vol. 16: Tanagers to New World Blackbirds. Lynx Edicions, Barcelona, pp 46–329

[5] Isler ML, Isler PR (1999) The tanagers: natural history, distribution and identification. Smithsonian Institution Press, Washington

[6] Kriebel R, Oviedo-Brenes F (2013) A new species of Miconia from the remaining primary forest at Las Cruces Biological Station in Costa Rica. Phytotaxa 126(1): 55–60

[7] Skutch AF (1954) Life histories of Central American birds (families Fringillidae, Thraupidae, Icteridae, Parulidae, and Coerebidae). Pacific Coast Avifauna 31: 1-448

[8] Ward P, Zahavi A (1973) The importance of certain assemblages of birds as “information centres” for food finding. Ibis 115: 517–534

[9] Weatherhead PJ (1983) Two principal strategies in avian communal roosts. American Naturalist 121(2): 237–243

[10] Winkler DW, Billerman SM, Lovette IJ (2020) Finches, Euphonias, and Allies (Fringillidae), version 1.0. En: Birds of the World, Billerman SM, Keeney BK, Rodewald PG, Schulenberg TS (eds). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.fringi1.01. Accedido el 15/3/2026

[11] Wiebe RA (2019) Observations of Blue-naped Chlorophonias (Chlorophonia cyanea) in the lowlands of the Madre de Dios Department, Peru, with comments on the species’ presence in the Amazonian lowlands. Boletín UNOP 14(1): 5–9

[12] Zahawi RA, Duran G, Kormann U (2015) Sixty-seven years of land-use change in southern Costa Rica. PLOS ONE 10(11): e014355