Dear MARMAM and ECS Talk subscribers, Happy New Year! I hope everyone reading this email is healthy and will have a positive 2021! 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 1, 2021) of Aquatic Mammals 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 1 (Items preceded by an * are open access) *Fernando R. Elorriaga-Verplancken, Aurora Paniagua-Mendoza, Claudia J. Hernández-Camacho, Marc A. Webber, Romyna Cruz-Vallejo, Corey R. Nevels, and Irma González-López. (2021). A New Guadalupe Fur Seal Colony in the Gulf of California? Ecological and Conservation Implications. Aquatic Mammals, 47(1), 1-9. DOI: https://doi.org/10.1578/AM.47.1.2021.1 <https://doi.org/10.1578/AM.47.1.2021.1> Sergio Cobarrubia-Russo, Shannon Barber-Meyer, Guillermo R. Barreto, and Alimar Molero-Lizarraga. (2021). Historic Population Estimates for Bottlenose Dolphins (Tursiops truncatus) in Aragua, Venezuela, Indicate Monitoring Need. Aquatic Mammals, 47(1), 10-20. DOI: https://doi.org/ <https://doi.org/10.1578/AM.47.1.2021.10>10.1578/AM.47.1.2021.10 <https://doi.org/10.1578/AM.47.1.2021.10> *Lucy W. Keith-Diagne, Pablo Fernandez de Larrinoa, Tomas Diagne, and Luis Mariano Gonzalez. (2021). First Satellite Tracking of the African Manatee (Trichechus senegalensis) and Movement Patterns in the Senegal River. Aquatic Mammals, 47(1), 21-29. DOI: https://doi.org/ <https://doi.org/10.1578/AM.47.1.2021.21>10.1578/AM.47.1.2021.21 <https://doi.org/10.1578/AM.47.1.2021.21> Sagida Nah-Balam, Gaspar Poot-López, and Raúl E. Díaz-Gamboa. (2021). Habitat Characterization of Bottlenose Dolphins (Tursiops truncatus) Along the Coast of Yucatan, Mexico. Aquatic Mammals, 47(1), 30-35. DOI: https://doi.org/ <https://doi.org/10.1578/AM.47.1.2021.30>10.1578/AM.47.1.2021.30 <https://doi.org/10.1578/AM.47.1.2021.30> Alexander A. Zaytsev, Yuri V. Litvinov, Miron V. Pahomov, Alexander R. Troshichev, Andrey P. Yakovlev, and Pavel A. Zavoloka. (2021). Birth of a Halichoerus grypus atlantica (Nehring, 1866) Pup at the Biotechnical Aquacomplex of MMBI RAS. Aquatic Mammals, 47(1), 36-42. DOI: https://doi.org/ <https://doi.org/10.1578/AM.47.1.2021.36>10.1578/AM.47.1.2021.36 <https://doi.org/10.1578/AM.47.1.2021.36> Qianhui Zeng, Xianyan Wang, and Qian Zhu. (2021). Preliminary Study on the Reproductive Ecology of a Threatened Indo-Pacific Humpback Dolphin (Sousa chinensis) Population in Xiamen Bay, China. Aquatic Mammals, 47(1), 43-52. DOI: https://doi.org/10.1578/AM.47.1.2021.43 <https://doi.org/10.1578/AM.47.1.2021.43> Renan C. de Lima, Juliana C. Di Tullio, Eduardo R. Secchi, Franciele R. Castro, and Genyffer C. Troina. (2021). Delphinid Mixed-Species Associations in the Oceanic Waters of the Western South Atlantic. Aquatic Mammals, 47(1), 53-62. DOI: https://doi.org/10.1578/AM.47.1.2021.53 <https://doi.org/10.1578/AM.47.1.2021.53> Simon D. Berrow, Nick Massett, Pádraig Whooley, Beatrice V. M. Jann, Pedró Lopez-Suárez, Peter T. Stevick, and Frederick W. Wenzel. (2021). Resightings of Humpback Whales (Megaptera novaeangliae) from Ireland to a Known Breeding Ground: Cabo Verde, West Africa. Aquatic Mammals, 47(1), 63-70. DOI: https://doi.org/ <https://doi.org/10.1578/AM.47.1.2021.63>10.1578/AM.47.1.2021.63 <https://doi.org/10.1578/AM.47.1.2021.63> Anmari Alvarez-Aleman, Daniel Gonzalez-Socoloske, Boris Garcia-Dulzaides, and Leandro Rodriguez-Viera. (2021). First Report of Pygmy Killer Whales (Feresa attenuata) in Cuba. Aquatic Mammals, 47(1), 71-75. DOI: https://doi.org/10.1578/AM.47.1.2021.71 <https://doi.org/10.1578/AM.47.1.2021.71> *Garrett C. Crooks, Sarah M. Sharp, Constance Merigo, Kathleen M. Moore, and Charles J. Innis. (2021). Hematologic and Serum Biochemical Data from Mass Stranded Long-Finned Pilot Whales (Globicephala melas), Cape Cod, USA, 2002. Aquatic Mammals, 47(1), 76-85. DOI: https://doi.org/ <https://doi.org/10.1578/AM.47.1.2021.76>10.1578/AM.47.1.2021.76 <https://doi.org/10.1578/AM.47.1.2021.76> Tetsuya Endo, Osamu Kimura, Masaru Terasaki, and Mari Kobayashi. (2021). Body Length, Stable Carbon, and Nitrogen Isotope Ratios and Mercury Levels in Common Minke Whales Stranded Along the Coast of Hokkaido, Japan. Aquatic Mammals, 47(1), 86-95. DOI: https://doi.org/ <https://doi.org/10.1578/AM.47.1.2021.86>10.1578/AM.47.1.2021.86 <https://doi.org/10.1578/AM.47.1.2021.86> Historical Perspectives Essay: *William Ralph Winhall. (2021). Evolution of Reinforcement and Relationships. Aquatic Mammals, 47(1), 96-110. DOI: https://doi.org/ <https://doi.org/10.1578/AM.47.1.2021.96>10.1578/AM.47.1.2021.96 <https://doi.org/10.1578/AM.47.1.2021.96>