Dear colleagues, We are pleased to inform you that the abstract submission deadline for the 11th Ecology and Evolutionary Biology Symposium (EEBST2025) has been extended to 31 May 2025. We encourage all researchers to take advantage of this extension and submit their abstracts via our website: https://eebst.ekoevo.org The symposium will take place from 9-11 July 2025 at Hacettepe University, Ankara, Türkiye, and is co-organized by Hacettepe University and the Ecology and Evolutionary Biology Society of Türkiye (EkoEvo). Key dates related to registration and notifications have also been updated; please refer to the website for the latest information. We are proud to host the following plenary speakers: Dr. Natália Martínková - *Genome polarization: Tracing the threads of hybridization and evolutionary flux* Dr. Jalil Noroozi - *Plant biodiversity and biogeography of the high mountains of the Irano-Anatolian Biodiversity Hotspot* Dr. Paraskevi Karachle - *Non-indigenous species in the Mediterranean Sea: status, impacts and perspectives* Several associated events will complement the scientific program of EEBST2025. On 8 July 2025, a mini-symposium on *the Philosophy of Biology *(to be held in Turkish) will take place as a joint event. During the main symposium, we will also host a panel on *Integrating Biodiversity Knowledge into Conservation Practice*, a short event on *Paleobiology and Anthropology*, and *the General Assembly of the Ecology and Evolutionary Biology Society of Türkiye *(EkoEvo). Further details will be announced soon. We welcome contributions from all areas of ecology and evolutionary biology, including theoretical, empirical, and applied studies. Abstract guidelines and updated schedule details are available on the symposium website. We look forward to your participation and to welcoming you in Ankara! Best regards, Ça»atay Tavºano»lu On behalf of the EEBST2025 Organizing Committee Mehmet Somel (to subscribe/unsubscribe the EvolDir send mail to golding@mcmaster.ca)