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Consumption of stamens of buds and flowers by the Hoatzin, Opisthocomus hoazin, in the Brazilian Amazon, based on citizen science data
Consumo de estambres de botones florales y flores por el Hoatzin, Opisthocomus hoazin, en la amazonía brasileña, basado em datos de ciencia ciudadana
DOI:
https://doi.org/10.15446/caldasia.v46n1.97876Keywords:
floral resources, Malvaceae, Opisthocomidae, Pseudobombax (en)recursos florales, Malvaceae, Opisthocomidae, Pseudobombax (es)
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The Hoatzin, Opisthocomus hoazin, is an arboreal bird species considered to be primarily folivore, with the eventual consumption of other vegetal parts, such as shoots and flowers. I report here the consumption of floral resources by the Hoatzin in Brazil, using citizen science data. I present four records of Hoatzins feeding on stamens of flowers and buds of Pseudobombax munguba (Malvaceae) during the dry season. These are new items in the Hoatzin’s diet. Further studies are necessary to investigate how Hoatzins rely on this tree species and to quantify their role in causing damage to its reproductive parts.
El Hoatzin, Opisthocomus hoazin, es una especie de ave arbórea considerada principalmente folívora, con el eventual consumo de otras materias vegetales, como brotes y flores. Se reporta el consumo de recursos florales por Hoatzin en Brasil, utilizando datos de ciencia ciudadana. Presento cuatro registros de Hoatzins alimentándose de estambres de flores y botones de Pseudobombax munguba (Malvaceae) durante la estación seca. Estos son elementos nuevos en la dieta del Hoatzin. Se necesitan más estudios para investigar cómo los Hoatzins dependen de esta especie de árbol, y para cuantificar su papel al causar daños a las partes reproductivas de esta planta.
References
Billerman SM. 2020. Hoatzin (Opisthocomus hoazin), version 1.0. In: Billerman SM, Keeney BK, Rodewald PG, Schulenberg TS, editors. Birds of the World. Ithaca: Cornell Lab of Ornithology. doi: https://doi.org/10.2173/bow.hoatzi1.02 DOI: https://doi.org/10.2173/bow.hoatzi1.02
Domínguez-Bello MG, Michelangeli F, Ruiz MC, García A, Rodríguez E. 1994. Ecology of the folivorous hoatzin (Opisthocomus hoazin) on the Venezuelan plains. Auk 111:643-651. doi: https://doi.org/10.1093/auk/111.3.643
Gribel R, Gibbs PE. 2002. High outbreeding as a consequence of selfed ovule mortality and single vector bat pollination in the Amazonian tree Pseudobombax munguba (Bombacaceae). Int. J. Plant Sci. 163(6):1035-1043. doi: https://doi.org/10.1086/342518 DOI: https://doi.org/10.1086/342518
Sick H. 1997. Ornitologia brasileira. Rio de Janeiro: Editora Nova Fronteira.
Winkler DW, Billerman SM, Lovette IJ. 2020. Hoatzin (Opisthocomidae), version 1.0. In: Billerman SM, Keeney BK, Rodewald PG, Schulenberg TS, editors. Birds of the World. Ithaca: Cornell Lab of Ornithology. doi: https://doi.org/10.2173/bow.opisth1.01 DOI: https://doi.org/10.2173/bow.opisth1.01
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