Elephant range and population, strontium isotopes, and genetics combine to give local-scale specificity to ivory hotspot tracking. - Cerling TE; Lerback JC; Fernandez DP; Wasser SK; Blumenthal SA; Chau T; Chesson LA; Chisdock C; Chritz KL; Hoareau Y; Kaliszewska ZA; Kahumbu P; et al. (Isotopes in environmental and health studies, 2025)