Dear MARMAM Subscribers, The 4th issue of volume 51 (51.4) of Aquatic Mammals journal is available online and officially published Tuesday, July 15th. Further information about the journal can be found at: http://www.aquaticmammalsjournal.org/ To submit a manuscript for publication consideration, please visit: http://am.expressacademic.org/actions/author.php With regards, Kathleen M. Dudzinski, Ph.D. Editor, Aquatic Mammals Journal business@aquaticmammalsjournal.org <mailto:business@aquaticmammalsjournal.org> Issue 51.4 contents (** denotes open access): **Ellen M. Chenoweth, Kim E. W. Shelden, Rie M. Christianson, and Willa R. Johnson. (2025). First Bowhead Whale (Balaena mysticetus) Sighting in Southeast Alaska: An Extralimital Southern Excursion of this Arctic-Adapted Species. Aquatic Mammals, 51(4), 311-318. **Ronald A. Kastelein, Christ de Jong, Lean Helder-Hoek, Linde Defillet, John M. Terhune, Femke Kuiphof, and Laura Van Acoleyen. (2025). Effect of Impact Pile-Driving Playback Sound on Harbor Seal (Phoca vitulina) Behavior: Dose-Response Relationship and Frequency Weighting. Aquatic Mammals, 51(4), 319-335. Michelle S. Guins, Deanna R. Rees, and Rick E. Sherwin. (2025). First Documented Harbor Seal (Phoca vitulina) Pupping Event in Virginia. Aquatic Mammals, 51(4), 336-342. Eric Angel Ramos, Catalina Ocampo-Carvajal, and Nataly Castelblanco-Martínez. (2025). Two Dolphin–Vessel Collisions in Mexican Waters: Potential Implications for Dolphin Behavior and Boating Safety. Aquatic Mammals, 51(4), 343-348. Yara Suhan Juárez-Campusano, Olga Patricia García, Fernando R. Elorriaga-Verplancken, and Karina Acevedo-Whitehouse. (2025). Blood Biochemical Markers of Weaned Northern Elephant Seal (Mirounga angustirostris) Pups Born at the San Benito Archipelago Vary Across Birth Cohorts. Aquatic Mammals, 51(4), 349-362. **Katharine A. Ballinger, Marjorie A. Cox, Dane N. Horowski, and Sarah A. Codde. (2025). Attempted Predation on Northern Elephant Seal Weanlings (Mirounga angustirostris) by Coyote (Canis latrans) in Point Reyes National Seashore, California. Aquatic Mammals, 51(4), 363-370. **Christopher Scala, Daryl Codron, Melanie Oesterwind, Isabelle Brasseur, and Marcus Clauss. (2025). Presumptive Photoperiodic Regulation of Food Intake and Body Mass in Killer Whales (Orcinus orca). Aquatic Mammals, 51(4), 371-391. Maria Maust-Mohl, Laura Eierman, J. Daisy Kaplan, and Kelly Melillo-Sweeting. (2025). Occurrence and Seasonal Residency of a Community of Common Bottlenose Dolphins (Tursiops truncatus) off Bimini, The Bahamas, 2006-2016. Aquatic Mammals, 51(4), 392-399. Aage K. O. Alstrup, Charlotte Bie Thøstesen, Natacha M. Kristensen, Daniel K. Johansson, and Sussie Pagh. (2025). Biometrics of Stranded White-Beaked Dolphins (Lagenorhynchus albirostris) in Danish Waters. Aquatic Mammals, 51(4), 400-412. **Kathleen Dezio. (2025). Letter to the Editor: 2025 AMMPA Annual Meeting Held May 6-8 in Atlanta. Aquatic Mammals, 51(4), 413-415.