Research Question: The study identifies ADCY8 as associated with migratory distance differences and suggests long-term memory as the selective agent, but the specific molecular mechanisms linking ADCY8 to memory-based navigation remain unexplained. Understanding this pathway could reveal fundamental principles of memory encoding for spatial navigation. Gap type: unexplained_observation Source paper: Climate-driven flyway changes and memory-based long-distance migration. (2021, Nature, PMID:33658718)