In this case, it is the synergy rising between Elk and Magpies. In parts of Alberta (Canada), Elk have taken to staying close to towns and not migrating. Partially due to climate change and partially due to humans settling in areas that elk live in and partially due to wolves that are moving into the territory.
What researchers have found is that Elk in town are braver. "Shy" elk, those that don't like people, still migrate.
But now migrating "shy" elk, at the end of a day, will lay down and "brave" magpies will approach them. The magpies groom the elk by eating ticks that attack the elk. The rise in ticks is due to climate change.
Right now it is the "shy" elk that migrate and need groomers and the "brave" magpies that started approaching them to groom them.
In 50 or 100 years, we may see a species synergy like the honey badger and the bee-catcher in Africa. We are seeing it happen in front of our eyes. Which is a bit magical, even though it is driven by human forced needs.
link to full story.