AUTHOR=Flessa Karl W. , Dettman David L. TITLE=Commentary: Stable isotopes of carbon (δ13C) and oxygen (δ18O) from vaquita (Phocoena sinus) bones as indicators of habitat use in the Upper Gulf of California JOURNAL=Frontiers in Conservation Science VOLUME=Volume 6 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/conservation-science/articles/10.3389/fcosc.2025.1564652 DOI=10.3389/fcosc.2025.1564652 ISSN=2673-611X