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Population genetics of the endangered Crowned Solitary Eagle (Buteogallus coronatus) in South America

AutorCanal, David ; Roques, Séverine ; Negro, Juan J. ; Sarasola, José Hernán
Palabras clavePopulation genetics
Genetic structure
Birds of prey
Fecha de publicación2017
CitaciónConservation Genetics 18: 235- 240 (2017)
ResumenThe Crowned Solitary Eagle (Buteogallus coronatus) is one of the rarest and most severely threatened birds of prey in the Neotropical region. We studied levels of neutral genetic diversity, population structure, and the demographic history of the species using 55 contemporary samples covering a large fraction of the species range, which were genotyped at 17 microsatellite loci. Our results indicated genetic homogeneity across the sampled regions, which may be explained by a high dispersal capability of Crowned Solitary Eagles resulting in high gene flow or relatively recent population expansion. Further demographic tests revealed that the species has experienced a recent demographic reduction, but inbreeding was not detected. The existing connectivity between geographically separated populations may have buffered the negative effects of the demographic bottleneck. Alternatively, the demographic reduction may be too recent to detect a genetic signature due to the long generation time of the species. Potential conservation strategies, including the possibility of translocations of individuals, are discussed.
Identificadoresdoi: 10.1007/s10592-016-0878-6
issn: 1572-9737
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