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  1. Article

    Open Access

    Niche models at inter- and intraspecific levels reveal hierarchical niche differentiation in midwife toads

    Variation and population structure play key roles in the speciation process, but adaptive intraspecific genetic variation is commonly ignored when forecasting species niches. Amphibians serve as excellent mode...

    Eduardo José Rodríguez-Rodríguez, Juan F. Beltrán, Miguel Tejedo… in Scientific Reports (2020)

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  2. No Access

    Article

    Sex and age-class differences in calls of Iberian red deer during the rut: reversed sex dimorphism of pitch and contrasting roars from farmed and wild stags

    Stag rutting calls differ among subspecies of red deer Cervus elaphus. Studying sex-, age-, and subspecies-related vocal variation may highlight the forces driving this evolution. This study presents the first bi...

    Ilya A. Volodin, Vera A. Matrosova, Elena V. Volodina, Andrés J. Garcia… in acta ethologica (2015)

  3. Article

    Endangered Spanish science

    Juan F. Beltrán, Juan J. Negro, José L. Yela, José A. Mateo in Nature (1996)

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  4. No Access

    Article

    Taxonomy of the Iberian lynx

    Juan F. Beltrán, John E. Rice, Rodney L. Honeycutt in Nature (1996)