Pretty amazing research. I do wish animal researchers would get away from this "mechanical" view of non humans and more towards a cultural, social view. "Attracting mates" as some isolateble core act, and not the complexity of what humans do to "attract a mate" are a tiny part of orchestras, dance clubs, story telling, social cohesion, and yes, getting laid.

This "instinct" nonsense, always attached to non human complex behavior buries social decisions inside a non-thought based, non-intentional, automatic framework. Even our dogs have fantastically complex social relations; what those whales appear to be up to could far exceed ours.