Whistle structure variation between two sympatric dolphin species in the Gulf of California. - Antichi, Simone; Rege‑Colt, Manali; Austin, Maia; May‑Collado, Laura J.; Carlón-Beltrán, Óscar; Urbán R., Jorge; Martínez-Aguilar, Sergio; Viloria-Gómora, Lorena (Hydrobiologia, 2025)