Metapopulation dynamics and foraging plasticity in a highly vagile seabird, the southern rockhopper penguin

Nicolas Lois, Leonardo Campagna, Ulises Balza, Michael Polito, Klemens Pütz, Juliana Vianna, Annick Morgenthaler, Esteban Frere, Ricardo Saenz-Samaniego, Andrea Raya Rey & Bettina Mahler
Population connectivity is driven by individual dispersal potential and modulated by natal philopatry. In seabirds, high vagility facilitates dispersal yet philopatry is also common, with foraging area overlap often correlated with population connectivity. We assess the interplay between these processes by studying past and current connectivity and foraging niche overlap among southern rockhopper penguin colonies of the coast of southern South America using genomic and stable isotope analyses. We found two distinct genetic clusters and...
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