Vol. 39 No. 1 (2024), Short Communications
Vol. 39 No. 1 (2024)

The nest and eggs of the Rufous-shafted Woodstar Chaetocercus jourdanii andinus, with a review on the breeding data for the genus

Short Communications
Published 15-06-2024
Vladislav Marcuk
Free University of Berlin, Graduate Program, Faculty of Biology, Berlin, Germany
Harold F. Greeney
Yanayacu Biological Station & Center for Creative Studies, Km 5, via Las Caucheras, Cosanga, Napo, Ecuador
Pascal Eckhoff
Leibniz Institute for Evolution and Biodiversity Science, Museum of Natural History Berlin, Invalidenstraße 43, Berlin, Germany
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Keywords

Chaetocercus
egg collection
hummingbird
Salomón Briceño Gabaldón
Venezuela

How to Cite

Marcuk, Vladislav, Harold F. Greeney, and Pascal Eckhoff. 2024. “The Nest and Eggs of the Rufous-Shafted Woodstar Chaetocercus Jourdanii Andinus, With a Review on the Breeding Data for the Genus”. El Hornero 39 (1): 119-24. https://doi.org/10.56178/eh.v39i1.1473.
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Abstract

Egg collections represent a critical, though underutilized, source of sensitive biological data about a substantial proportion of avian taxa, and can help expand our knowledge of avian natural history and general biology. The breeding biology of the genus Chaetocercus remains considerably poorly studied, in particular of the Red-shafted Woodstar (Chaetocercus jourdanii). In this short note, we provide descriptions of the egg and nest of the Red-shafted Woodstar, based on the examination of eggs and nests preserved in the Western Foundation of Zoology (WFVZ) and Natural History Museum of Berlin (ZMB), respectively. The nest is typical for the genus Chaetocercus, a tiny cup composed predominantly of fine plant fibres and evenly covered externally with lichens. Eggs were collected in February and April, and clutches consisted of two uniform white eggs measuring, on average, 12.58 ± 0.18 mm × 7.74 ± 0.29 mm (n = 7). In addition, we provide a brief literature review about the basic breeding habits for the congeneric species, where we expand the information available for the closely related Gorgeted Woodstar (C. heliodor) by using additional nests from the ZMB collection.

PDF (Spanish)

References

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