AUTHOR=O’Corry-Crowe Greg , Ghazal Maha , Gillespie Mark , Galvin Paul , Harasimo Jason , Storrie Luke , Watt Cortney A. TITLE=Use of tusks by narwhals, Monodon monoceros, in foraging, exploratory, and play behavior JOURNAL=Frontiers in Marine Science VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2025.1518605 DOI=10.3389/fmars.2025.1518605 ISSN=2296-7745