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The Balearic shearwater (<i>Puffinus mauretanicus</i>, above) and the Mediterranean shearwater (<i>Puffinus yelkouan</i>, a below) are two shearwater taxa that are genetically similar despite displaying morphological and migratory differences. The new study shows that these two taxa have undergone recurrent episodes of divergence and hybridization during the Pleistocene glacial and interglacial cycles, respectively. This serves as a key example of how hybridization can help preserve genetic diversity and evolutionary potential in threatened taxa. <i>Credit: Victor Paris</i>

Hybridization between species has been crucial to the survival of Europe’s most threatened seabird 05/09/2025

News | Research

The University of Barcelona celebrates 575 years focusing on the future 03/09/2025

News | Institutional | Academic

The University of Barcelona is once again the only Spanish university among the top 200 in the world in the Shanghai ranking 15/08/2025

News | Rankings

A higher level of education does not reduce cognitive decline in ageing 28/07/2025

News | Research
The UB, in collaboration with the Científicos de la Basura programme of the Catholic University of the North (Chile), is leading a regional study on the origin of plastic beverage bottle and cap pollution across beaches and coastal cities along more than 12,000 kilometres of Pacific coastline in 10 Latin American countries. Bottles found on a beach on Gorgona Island, Colombia. Photo: Ostin Garcés

Central American countries most affected by plastic bottle pollution 24/07/2025

News | Research
Artist’s impression of a gamma-ray burst. Credit: ESO/A. Roquette

Record-breaking gamma-ray burst reveals new clues into cosmic jets 23/07/2025

News | Research
Group photograph of the representatives of the UB, Planeta y Formación and the Col·legi de Disseny Gràfic de Catalunya.

The University of Barcelona joins forces with Planeta Formación y Universidades and the Col·legi Oficial de Disseny Gràfic de Catalunya to promote training and research in the field of graphic desig 22/07/2025

News | Institutional | UB Chair

The new chair will promote a series of actions aimed at attracting and supporting emerging talent, including the creation of an incubator for project excellence in graphic design. 

Scientists publish the most detailed map to date of the Antarctic’s submarine canyons 21/07/2025

News | Research