Dear MARMAM and ECS Talk Subscriber, Happy New Year! The 1st issue of volume 49 (49.1) of Aquatic Mammals journal is now published online. 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> Articles with ** are open access: María Belén Argüelles, Carla Fiorito, Mariano Coscarella, Ana Fazio, and Marcelo Bertellotti. (2023). First Observations of Cooperative Circle Feeding in Southern Right Whales (Eubalaena australis). Aquatic Mammals, 49(1), 1-6. Jesús Erick Higuera-Rivas, Edgar Mauricio Hoyos-Padilla, Fernando R. Elorriaga-Verplancken, Hiram Rosales-Nanduca, Rick Rosenthal, and Jorge Urbán R. (2023). Orcas (Orcinus orca) Use Different Strategies to Prey on Rays in the Gulf of California. Aquatic Mammals, 49(1), 7-18. **Sahya N. Haria, Ian C. W. Hardy, Stefan Harzen, and Barbara J. Brunnick. (2023). Estimating Population Abundance of Atlantic Bottlenose Dolphins (Tursiops truncatus) in the Coastal Waters of Palm Beach County, Southeastern Florida. Aquatic Mammals, 49(1), 19-28. **William Keener, Marc A. Webber, Tim M. Markowitz, Mark P. Cotter, Daniela Maldini, R. H. Defran, Megan Rice, Amanda J. Debich, Aimée R. Lang, Dennis L. Kelly, Alex G. Kesaris, Maddalena Bearzi, Kayla Causey, David Anderson, Laurie Shuster, and David W. Weller. (2023). Northern Range Expansion of California Coastal Bottlenose Dolphins (Tursiops truncatus). Aquatic Mammals, 49(1), 29-43. Cindy Peter, Gianna Minton, Anna Norliza Zulkifli Poh, Ann Jie Goh, Andrew Alek Tuen, Samuel Kiyui, Marie-Françoise Van Bressem, and Oswald Braken Tisen. (2023). Records of Postmortem Attentive Behavior on an Irrawaddy Dolphin (Orcaella brevirostris) Calf and Implications for Conservation in Kuching Bay, Sarawak, East Malaysia. Aquatic Mammals, 49(1), 44-52. **Swapnali Gole, Sumit Prajapati, Nehru Prabakaran, Jeyaraj Antony Johnson, and Kuppusamy Sivakumar. (2023). Herd Size Dynamics and Observations on the Natural History of Dugongs (Dugong dugon) in the Andaman Islands, India. Aquatic Mammals, 49(1), 53-61. Zhongchang Song, T. Aran Mooney, Lori Quakenbush, Roderick Hobbs, Eric Gaglione, Caroline Goertz, and Manuel Castellote. (2023). Variability of Echolocation Clicks in Beluga Whales (Delphinapterus leucas) Within Shallow Waters. Aquatic Mammals, 49(1), 62-72. Kelley A. Winship, Amber Ramos, and Mark J. Xitco, Jr. (2023). The Introduction of a Novel Computerized Apparatus to California Sea Lions (Zalophus californianus). Aquatic Mammals, 49(1), 73-86. **Anik Boileau, Jonathan Blais, Larry Mercier, Marion Desmarchelier, and Jamie Ahloy-Dallaire. (2023). Synchronous Swimming and Diving Behaviour in a Group of Fin Whales (Balaenoptera physalus). Aquatic Mammals, 49(1), 87-93. OPEN ACCESS Ronald A. Kastelein, Martin J. Bakker, Nancy Jennings, and Jennifer Covi-Dijkhuizen. (2023). Evaluating the Use of Diazepam in Stranded Dolphins and Porpoises for Husbandry and Veterinary Purposes. Aquatic Mammals, 49(1), 94-103. **Magnus Wahlberg, Mats Amundin, Kirstin Anderson Hansen, Søren Hechmann Andersen, Marie-Anne Blanchet, Sabrina Brando, Andreas Brogaard Buhl, Geneviève Desportes, Sabina Fobian Hansen, Christina Lockyer, Lee A. Miller, Marianne Rasmussen, Ursula Siebert, and Mette Thybo. (2023). Purposeful Porpoise Training at Fjord&Bælt: The First 25 Years. Aquatic Mammals, 49(1), 104-116.