Striking Variability in the Post-Reproductive Movements of Spanish Red Kites (Milvus milvus): Three Strategies, Sex Differences, and Changes over Time
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Título: | Striking Variability in the Post-Reproductive Movements of Spanish Red Kites (Milvus milvus): Three Strategies, Sex Differences, and Changes over Time |
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Autor/es: | García-Macía, Jorge | Pomares, Andrea | Puente, Javier de la | Bermejo, Ana | Martínez, Juan | Álvarez, Ernesto | Morollón, Sara | Urios, Vicente |
Grupo/s de investigación o GITE: | Zoología de Vertebrados |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Ciencias Ambientales y Recursos Naturales |
Palabras clave: | Raptors | Spatial ecology | Post-breeding | Dispersive migration | Sedentarism with post-reproductive movements |
Fecha de publicación: | 25-oct-2022 |
Editor: | MDPI |
Cita bibliográfica: | García-Macía J, Pomares A, De la Puente J, Bermejo A, Martínez J, Álvarez E, Morollón S, Urios V. Striking Variability in the Post-Reproductive Movements of Spanish Red Kites (Milvus milvus): Three Strategies, Sex Differences, and Changes over Time. Animals. 2022; 12(21):2930. https://doi.org/10.3390/ani12212930 |
Resumen: | It was assumed that the Spanish breeding population of the red kite (Milvus milvus) was resident, hence their movements were restricted to their breeding area for their entire lifecycle. However, recent observations indicated that the post-reproductive strategies of the red kite in Spain are more diverse. We tagged 47 breeding adult red kites in Spain and analyzed their movements during the post-reproductive period (July–February). We found three strategies in the population: migration (10%), sedentarism (70%), and sedentarism with post-reproductive movements (20%), based on seasonality and other movement parameters. Sedentarism with post-reproductive movements was a very variable strategy that involved all-direction wandering movements far away from the nest (up to 589 km) after breeding season, and then a returned journey toward the starting point in time for the next breeding season. Our results also suggest that sedentarism with post-reproductive movements is much more common in females than males. Furthermore, 17% of the individuals changed their strategy over the years. This study highlights the great individual variability and plasticity of the red kite and allows for a better understanding of spatial ecology in opportunistic raptors. |
URI: | http://hdl.handle.net/10045/128850 |
ISSN: | 2076-2615 |
DOI: | 10.3390/ani12212930 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.3390/ani12212930 |
Aparece en las colecciones: | INV - ZV - Artículos Científicos |
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