Varzea piculet (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Varzea piculet" in English language version.

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books.google.com

Eugene M. McCarthy (2006). Handbook of Avian Hybrids of the World. Oxford University Press, USA. p. 108. ISBN 978-0-19-518323-8.
Jobling, James A. (2010). Helm Dictionary of Scientific Bird Names. Bloomsbury Publishing. p. 399. ISBN 978-1-4081-3326-2.

Junghans, Miriam (2008). "Emilia Snethlage (1868-1929): Uma naturalista alemã na Amazônia". História, Ciências, Saúde-Manguinhos. 15: 243–255. doi:10.1590/S0104-59702008000500013.
Winkler, H., D. A. Christie, and C. J. Sharpe (2020). Varzea Piculet (Picumnus varzeae), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.varpic1.01 retrieved January 12, 2023

BirdLife International (2022). "Varzea Piculet Picumnus varzeae". IUCN Red List of Threatened Species. 2022: e.T22680736A208909623. Retrieved 12 December 2022.

Gill, F.; Donsker, D.; Rasmussen, P., eds. (August 2022). "Woodpeckers". IOC World Bird List. v 12.2. Retrieved January 9, 2023.