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Título: | Phenotypic and environmental correlates of natal dispersal in a long‑lived territorial vulture |
Autor: | Serrano, David CSIC ORCID; Cortés-Avizanda, Ainara CSIC ORCID; Zuberogoitia, Iñigo; Blanco, Guillermo CSIC ORCID ; Benítez, José Ramón; Ponchon, Cecile; Grande, Juan Manuel CSIC ORCID; Ceballos, Olga CSIC ORCID; Morant, Jon; Arrondo, Eneko CSIC ORCID; Zabala, Jabi; Montelío, Eugenio; Ávila, Enrique; González López, José Luis CSIC; Arroyo, Bernardo; Frías, Óscar; Kobierzycki, Erick; Arenas, Rafael; Tella, José Luis CSIC ORCID; Donázar, José A. CSIC ORCID | Fecha de publicación: | 8-mar-2021 | Editor: | Nature Publishing Group | Citación: | Scientific Reports 11: 5424 (2021) | Resumen: | Natal dispersal, the movement between the birth and the first breeding site, has been rarely studied in long-lived territorial birds with a long-lasting pre-breeding stage. Here we benefited from the longterm monitoring programs of six populations of Egyptian vultures (Neophron percnopterus) from Spain and France to study how the rearing environment determines dispersal. For 124 vultures, we recorded a median dispersal distance of 48 km (range 0–656 km). Linear models were used to assess the effect of population and individual traits on dispersal distance at two spatial scales. Dispersal distances were inversely related to vulture density in the natal population, suggesting that birds perceive the abundance of conspecifics as a signal of habitat quality. This was particularly true for declining populations, so increasing levels of opportunistic philopatry seemed to arise in high density contexts as a consequence of vacancies created by human-induced adult mortality. Females dispersed further than males, but males were more sensitive to the social environment, indicating different dispersal tactics. Both sexes were affected by different individual attributes simultaneously and interactively with this social context. These results highlight that complex phenotype-by-environment interactions should be considered for advancing our understanding of dispersal dynamics in long-lived organisms. | Versión del editor: | https://www.nature.com/articles/s41598-021-84811-8 | URI: | http://hdl.handle.net/10261/243015 | DOI: | 10.1038/s41598-021-84811-8 | ISSN: | 2454-2156 |
Aparece en las colecciones: | (MNCN) Artículos (EBD) Artículos (IMEDEA) Artículos |
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Blanco_G_Phenotypic.pdf | Artículo principal | 1,37 MB | Adobe PDF | Visualizar/Abrir |
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