Dear MARMAM and ECS Talk subscribers, Happy Early Holidays! Apologies to those of you who will receive duplicate emails due to cross-posting. The titles listed below represent the contents of the most recent Aquatic Mammals issue (Volume 47, issue 6, 2021) that is published online. Aquatic Mammals is the longest running peer-reviewed journal dedicated to research on aquatic mammals and is published quarterly with manuscripts available as published PDFs in real time. Further information about the journal can be found at: http://www.aquaticmammalsjournal.org/ <http://www.aquaticmammalsjournal.org/> To submit a manuscript for publication consideration, please visit: http://am.expressacademic.org/actions/author.php <http://am.expressacademic.org/actions/author.php> Thank you for your continued interest in the journal and abstract postings. With regards, Kathleen M. Dudzinski, Ph.D. Editor, Aquatic Mammals Journal business@aquaticmammalsjournal.org <mailto:business@aquaticmammalsjournal.org> Volume 47, Issue 6 (Items preceded by an ** are open access) Tessa Plint, Georg Hantke, Tobias Schwarz, and Andrew C. Kitchener. (2021). Dental Anomaly Causing Severe Maxillary Lesions in a Male Sowerby’s Beaked Whale (Mesoplodon bidens Sowerby, 1804). Aquatic Mammals, 47(6), 521-529. https://doi.org/10.1578/AM.47.6.2021.521 <https://doi.org/10.1578/AM.47.6.2021.521> Guillermo J. Sánchez Contreras and Barbara Biancani. (2021). Third- and Fourth-Generation Cephalosporin Resistant Morganella morganii Associated to an Abscess on the Perineum of a Male Bottlenose Dolphin (Tursiops truncatus). Aquatic Mammals, 47(6), 530-539. https://doi.org/10.1578/AM.47.6.2021.530 <https://doi.org/10.1578/AM.47.6.2021.530> Lorena Magallón-Flores, Germán Garrido-Fariña, Alejandra Buenrostro-Silva, and Juan Meraz. (2021). Microscopic Structure of the Skin, Heart, and Digestive Canal of the Pygmy Beaked Whale (Mesoplodon peruvianus). Aquatic Mammals, 47(6), 540-549. https://doi.org/10.1578/AM.47.6.2021.540 <https://doi.org/10.1578/AM.47.6.2021.540> Deborah Patton and Steven Lawless. (2021). Surface and Underwater Observation of a Humpback Whale (Megaptera novaeangliae) Birth in Progress off Lahaina, Maui, and Subsequent Encounter of the Female with a Healthy Calf. Aquatic Mammals, 47(6), 550-558. https://doi.org/10.1578/AM.47.6.2021.550 <https://doi.org/10.1578/AM.47.6.2021.550> **David A. S. Rosen, Nicole M. Thometz, and Colleen Reichmuth. (2021). Seasonal and Developmental Patterns of Energy Intake and Growth in Alaskan Ice Seals. Aquatic Mammals, 47(6), 559-573. https://doi.org/10.1578/AM.47.6.2021.559 <https://doi.org/10.1578/AM.47.6.2021.559> Fuqiang Niu, Kongkiat Kittiwattanawong, Xianyan Wang, Ruichao Xue, Watchara Sakornwimon, Fuxing Wu, and Yanming Yang. (2021). A Comparative Study of Echolocation Parameters of Wild and Captive Indo-Pacific Humpback Dolphins (Sousa chinensis). Aquatic Mammals, 47(6), 574-584. https://doi.org/10.1578/AM.47.6.2021.574 <https://doi.org/10.1578/AM.47.6.2021.574> Natália Wingert, Lucas Milmann, Melina Baumgarten, Daniel Danilewicz, Ivan Sazima, and Paulo H. Ott. (2021). Relationships Between Common Bottlenose Dolphins (Tursiops truncatus) and Whalesuckers (Remora australis) at a Remote Archipelago in the Equatorial Atlantic Ocean. Aquatic Mammals, 47(6), 585-598. https://doi.org/10.1578/AM.47.6.2021.585 <https://doi.org/10.1578/AM.47.6.2021.585> Biagio Violi, Alessandro Verga, Lindsey S. Jones, Giulia Calogero, Giulia Soldano, Ted Cheeseman, and Frederick W. Wenzel. (2021). A Wanderer in the Mediterranean Sea: The Case of a Humpback Whale (Megaptera novaeangliae) from the West Indies. Aquatic Mammals, 47(6), 599-611. https://doi.org/10.1578/AM.47.6.2021.599 <https://doi.org/10.1578/AM.47.6.2021.599> Edgar M. Hoyos-Padilla, Juan P. Gallo-Reynoso, and Isai D. Barba-Acuña. (2021). Presence of Guadalupe Fur Seals (Arctocephalus philippii townsendi) at Isla Roca Partida, Revillagigedo Archipelago, México. Aquatic Mammals, 47(6), 612-617. https://doi.org/ <https://doi.org/10.1578/AM.47.6.2021.612>10.1578/AM.47.6.2021.612 <https://doi.org/10.1578/AM.47.6.2021.612> **Barbara L. Taylor. (2021). Save Nature and Save Ourselves Through Embracing that Shared Sacrifice Can Lead to Shared Success. Aquatic Mammals, 47(6), 618-629. https://doi.org/ <https://doi.org/10.1578/AM.47.6.2021.618>10.1578/AM.47.6.2021.618 <https://doi.org/10.1578/AM.47.6.2021.618>