New records of Neotropic Cormorant (<i>Nannopterum brasilianum</i>) nesting at the Nahuel Huapi lake, Argentina
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Keywords

colony
Nannopterum brasilianum
Nahuel Huapi National Park

How to Cite

Rosciano, Natalia G. 2026. “New Records of Neotropic Cormorant (Nannopterum Brasilianum) Nesting at the Nahuel Huapi Lake, Argentina”. Nuestras Aves 71 (June). https://doi.org/10.56178/na.v71i.1190.

Abstract

During the 2024/2025 breeding season I recorded a small colony of Neotropic Cormorants nesting in a tree on an islet in the central area of the Nahuel Huapi lake, where the Kelp Gulls nest. I visited it three times, thus I observed the chicks’ growth. This record complements the previous two recorded at the lake and highlights the need for monitoring, considering little is known about the reproductive habits of the species in the area.

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References

Christie, M. I., e. J. Ramilo y M. D. Bettinelli. 2004. Aves del Noroeste Patagónico. Atlas y Guía. L.O.L.A, Buenos Aires

Frixione MG (2016) Colonia reproductiva de Biguá (Phalacrocorax brasilianus) en el lago Nahuel Huapi. Nuestras Aves 61: 13-14. https://doi.org/10.56178/na.vi61.229

iNaturalist (2026). Página de la especie: Nannopterum brasilianus .https://www.inaturalist.org/taxa/1289601-Nannopterum-brasilianum. Accedido el 12/5/2026

MAyDS, AA, Ministerio de Ambiente y Desarrollo Sustentable, Aves Argentina (2017). Categorización de las Aves de la Argentina (2015). Informe del Ministerio de Ambiente y Desarrollo Sustentable de la Nación y de Aves Argentinas, edición electrónica. CABA, Argentina, pp 34-36

Rosciano NG, Ojeda V, Polito M.J, Yorio P (2025) I know what you ate last breeding season: anthropogenic food subsidies as a driver of the trophic ecology of nesting Kelp Gulls in a freshwater ecosystem in Patagonia, Argentina. Journal of Zoology, 327(4): 349-362

Rosciano NG, N Cossa, MI Farace, V Ojeda, S Seijas. 2021. Outbreak of Type C Botulism in aquatic birds on the Nahuel Huapi Lake and National Park Area, Argentina. El Hornero 36(1): 83-88

SIB Sistema de Información de Biodiversidad de la Administración de Parques Nacionales (2026) Nannopterum brasilianus. https://sib.gob.ar/especies/phalacrocorax-brasilianus. Accedido el 12/5/2026

Telfair II RC, Morrison ML (2022). Neotropic Cormorant (Nannopterum brasilianum), version 2.2. En: Rodewald PG, Keeney BK (eds). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.neocor.02.2. Accedido el 12/5/2026

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