Dear MARMAM and ECS Talk subscribers, Happy early Autumn! 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 issue (Volume 47, issue 5, 2021) of Aquatic Mammals available online. The issue is officially published on 15 September 2021. 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 5 (Items preceded by an ** are open access) **Brandon L. Southall, Douglas P. Nowacek, Ann E. Bowles, Valeria Senigaglia, Lars Bejder, and Peter L. Tyack. (2021). Marine Mammal Noise Exposure Criteria: Assessing the Severity of Marine Mammal Behavioral Responses to Human Noise. Aquatic Mammals, 47(5), 421-464. https://doi.org/10.1578/AM.47.5.2021.421 <https://doi.org/10.1578/AM.47.5.2021.421> Georgia Catherine Anne Jones, Andrew John Roberts, and David George Edwards. (2021). First Record of a Grey Seal (Halichoerus grypus) Predating a Tope Shark (Galeorhinus galeus) in the UK. Aquatic Mammals, 47(5), 465-469. https://doi.org/10.1578/AM.47.5.2021.465 <https://doi.org/10.1578/AM.47.5.2021.465> **Irina S. Trukhanova, Elena M. Andrievskaya, and Vyacheslav A. Alekseev. (2021). Bycatch in Lake Ladoga Fisheries Remains a Threat to Ladoga Ringed Seal (Pusa hispida ladogensis) Population. Aquatic Mammals, 47(5), 470-481. https://doi.org/10.1578/AM.47.5.2021.470 <https://doi.org/10.1578/AM.47.5.2021.470> **Abigail F. Machernis, Stephanie H. Stack, Grace L. Olson, Florence A. Sullivan, and Jens J. Currie. (2021). External Scarring as an Indicator of Fisheries Interactions with Bottlenose (Tursiops truncatus) and Pantropical Spotted (Stenella attenuata) Dolphins in Maui Nui, Hawai‘i. Aquatic Mammals, 47(5), 482-498. https://doi.org/10.1578/AM.47.5.2021.482 <https://doi.org/10.1578/AM.47.5.2021.482> Caroline Casey, Jillian M. Sills, Sonny Knaub, Kathy Sotolotto, and Colleen Reichmuth. (2021). Lifelong Patterns of Sound Production in Two Seals. Aquatic Mammals, 47(5), 499-514. https://doi.org/10.1578/AM.47.5.2021.499 <https://doi.org/10.1578/AM.47.5.2021.499> **Dr. Willem Hendrik Dudok van Heel: A Tribute. (2021). Aquatic Mammals, 47(5), 515-520. https://doi.org/10.1578/AM.47.5.2021.515 <https://doi.org/10.1578/AM.47.5.2021.515>