Male-Like Plumage in Female Anthracothorax Hummingbirds: A New Observation and Review

Diego     Cueva; David  Celorio Mosquera

doi:10.59517/616

Autores/as

Diego Cueva Museum of Natural Science and Department of Biological Sciences, Louisiana State University. Baton Rouge, LA, Estados Unidos https://orcid.org/0000-0002-9887-7497
David Celorio Mosquera Comunidad de Triana, Consejo Comunitario del Alto y Medio Dagua. Buenaventura, Valle del Cauca, Colombia

DOI:

https://doi.org/10.59517/616

Palabras clave:

colibrí, dicromatismo sexual, dimorfismo, polimorfismo

Resumen

Sexual dichromatism in plumage is common in hummingbirds (Trochilidae). However, female-limited polymorphism and anomalies, where females exhibit male plumage, also occur. The mechanisms behind these morphs, however, remain unclear. This note presents the first record of a male-like female in Anthracothorax nigricollis (Black-throated Mango) west of the Andes, confirming that this phenomenon is not exclusive to specific populations or subspecies. Moreover, we compile previously known records of male-like females in the genus Anthracothorax and highlight some best practices to avoid false positives in the sexual determination of specimens.

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