One of the best parts of my job is that I can read a wide variety of publications, looking for story ideas and background, and call it work.
New Scientist had a piece about whether humans are the only animals who appreciate music. (Subscriber content). I followed a few links and ended up on this page about Hoover, a talking seal.
Before he died in 1985 he spoke English. No, really. Listen to this file and if that's not enough this file.
The next time a round head surfaces near your kayak try saying, "Hello there". You might recieve a reply.