Short- and long-term costs of reproduction revealed by telomere dynamics in wild greater horseshoe bats

Proceedings of the National Academy of Sciences, Volume 122, Issue 50, December 2025. <br/>SignificanceReproduction is costly, but individuals vary in managing these costs. We examine how reproductive timing and effort relates to telomeres, a marker of biological aging in greater horseshoe bats. Females reproducing earlier in their life had …