**apologies for cross-postings*** Next week, the *Discovery of Sound in the Sea (DOSITS) <http://www.dosits.org>*Team will host the second webinar in its 2021 webinar series. On *Friday, May 7, 2021, at 12pm ET*, Dr. Susan Parks and Dr. Jeff Kneebone will present on acoustic tag technologies, providing overviews of applications for marine mammals and fishes, respectively. This* free webinar *will be *hosted virtually via Zoom (with an associated, live YouTube stream)*, last approximately *60 minutes*, and will consist of a presentation followed by a period of facilitated question and answer. *The* *webinar will be recorded and archived on the DOSITS website* (DOSITS Webinars <https://dosits.org/decision-makers/webinar-series/>). The 2021 DOSITS webinar series is open to all interested individuals, however, *registration is required*. *Please visit the 2021 DOSITS Webinar Series page* (*https://dosits.org/decision-makers/webinar-series/2021-webinar-series/ <https://dosits.org/decision-makers/webinar-series/2021-webinar-series/>*) for a registration link and additional webinar series details. Zoom and YouTube links will only be shared with registered participants. A *webinar outline*, with links to relevant background content on DOSITS, is also available on the 2021 DOSITS webinar page. *All registered participants are encouraged to preview this outline prior to next week’s event.* DOSITS will again offer a *Certificate of Professional Development *for interested individuals that participate in all four of the webinars in the 2021 Underwater Acoustics Webinar Series. There are no fees associated with this certificate, however, in addition to webinar participation, after each webinar, interested individuals must complete a brief survey. If you have any questions, please contact Holly Morin (holly_morin@uri.edu).