***apologies for cross postings*** The first webinar in the 2021 *Discovery of Sound in the Sea (DOSITS)* <http://www.dosits.org> series was a great success with nearly 500 participants turning in live from around the globe. Interested individuals can watch the archived video recording of Dr. Sofie Van Parijs' presentation <https://dosits.org/decision-makers/webinar-series/2021-webinar-series/webinar-passive-acoustic/> on passive acoustic monitoring systems and also access a PDF version of her presentation. Individuals interested in the certificate of professional development can still complete a post-webinar survey after watching the archived webinar video. Please contact Holly Morin (holly_morin@uri.edu) for a survey link if necessary. The second webinar in the 2021 DOSITS underwater acoustics series will take place on *Friday, May 7th at 12pm ET*. Dr. Susan Parks and Dr. Jeff Kneebone will be discussing *acoustic tag technologies, and their applications for marine mammals and fishes*. This free, 60-minute webinar will again be hosted live via Zoom, with a YouTube link also available to registered participants. It will also be recorded and archived to the DOSITS website for later viewing. *Interested individuals must register *for the webinar; a *registration link* is available on the *DOSITS 2021 webinar page: https://dosits.org/decision-makers/webinar-series/2021-webinar-series/ <https://dosits.org/decision-makers/webinar-series/2021-webinar-series/>. * Questions? Please contact Holly Morin (holly_morin@uri.edu)