bioRxivAnimal Behavior & Cognition
Male-dominated courtship in an unexpectedly late-breeding Andean Lapwing (Vanellus resplendens) population
G. Dillenseger, A. Rimoldi, S. Barreto, M. L. Ugarte-Lewis, V. Kubelka
Abstract
Sexual behavior, namely courtship and mating strategies, remain unexplored for numerous tropical birds. Andean Lapwing (Vanellus resplendens) is a shorebird inhabiting High Andes, and its reproductive biology is poorly known. Here, we performed standardized 49 observations of 20 pairs of Andean Lapwings at Laguna de Salinas, Peru (4315 m a.s.l.) during 2021-2022 breeding season. Lapwings in this studied population show social monogamy, a defined breeding season apparently triggered by rainfall, starting later than what is known according to the literature, and male-biased investment in courtship and territorial defense. These observations increase our knowledge on this understudied Neotropical species breeding at high elevations. RESUMENEl comportamiento sexual, es decir, las estrategias de cortejo y apareamiento, permanecen sin explorarse para numerosas aves tropicales. El Avefria Andina (Vanellus resplendens) es un ave playera que habita los altos Andes, sin embargo, su biologia reproductiva es poco conocida. Aqui, realizamos 49 observaciones estandarizadas de 20 parejas de avefrias andinas en Laguna de Salinas, Peru (4315 m.s.n.m.) durante la temporada 2021-2022. Las avefrias en esta poblacion estudiada muestran monogamia social, una temporada reproductiva bien definida provocada por las precipitaciones, comenzando mas tarde de lo que es descrito en la literatura, y una inversion predispuesta de machos en el cortejo y la defensa territorial. Estas observaciones aumentan nuestro conocimiento sobre esta especie Neotropical poco estudiada que se reproduce a gran altitud.
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