Dr. Terhune is known for his research on communication and behavior of marine mammals with particular emphasis on underwater communication of seals. His research projects included examining aspects of harp and Wed- dell seal vocalizations to reduce masking effects of background noise, and influences of underwater sounds from acoustic harassment devices used at aquaculture cage sites in the Bay of Fundy. Jack is also honored within his community at the University of New Brunswick, where his has been awarded the Distinguished Service Award for service as chair of the Biology Department and Associate Dean of Graduate Studies.