Welcome to another episode of SIMS' podcast 'Conversation Currents'. Every episode will feature a guest speaker in the marine science space and will focus on science to revive our oceans. This will include researchers, academics, philanthropists, technical staff and many more!In this episode Vanessa chats to us about her work in marine mammalian megafauna, and her collaborations with Wild Sydney Harbour, Macquarie University and Drone Shark App. She delves into humpback whale migration and calving, the importance of science communication, dolphin identification in Sydney harbour, SIMS' local fur seals and the appeal of whale snot to researchers.She also encourages citizen Scientists to submit images and sightings of marine mammals in Sydney Harbour to social media with #WildSydneyHarbour.Music: 'Cirrus' by Scott Buckley - released under CC-BY 4.0. www.scottbuckley.com.au