TY - RPRT TI - Magic traits, search costs, and the persistence of species in secondary contact AU - Farley, J. R. AU - Irwin, D. PY - 2026 DO - 10.64898/2026.07.23.740407 UR - https://www.biorxiv.org/content/10.64898/2026.07.23.740407v1 ID - 10.64898/2026.07.23.740407 ER -