PhD position available at the Institute of Nature Conservation, Polish Academy of Sciences (INC PAS), Krakow, Poland. The position is part of the OPUS project "Global Wind Regimes in Ecogeographical Rules of Evolution" and focuses on the role of wind speed in shaping avian body size and appendage length in accordance with Bergmann's and Allen's rules. **Position Details:** - Fully funded, 4-year PhD position (March 2025 start). - Monthly stipend: 5000 PLN gross (3700 PLN net) in the first two years, 6200 PLN gross (4700 PLN net) in the last two years. - Research includes phylogenetic comparative methods, global datasets, and statistical modeling in R. - Collaboration with international researchers from Spain and Australia. **Requirements:** - MSc degree in biology, ecology, ornithology, or a related field. - Background in evolutionary biology, phylogenetics, or biogeography. - Experience with R programming and statistical analysis. - English proficiency (B2 or higher). **Application:** To apply, send a single PDF file (CV, cover letter, references) to sekretariat@iop.krakow.pl (Cc: frohlich@iop.krakow.pl) Deadline: **March 7, 2025**. For more details, see the full announcement: https://panel.iop.krakow.pl/uploads/232/PhD_position_within_OPUS.pdf For inquiries, contact Dr. Arkadiusz Fröhlich at frohlich@iop.krakow.pl Arkadiusz Fröhlich (to subscribe/unsubscribe the EvolDir send mail to golding@mcmaster.ca)