Håkan Sandin is a butterfly watcher and often out in the fields to look for butterflies. He clearly notices that several species are moving north out. 

- Klöverblåvinge was not in principle in Dalarna 15 years ago. Now you find it every year without any problems. 

In the clip above, Håkan Sandin tips on how to do more butterflies in your life. He also strikes a battle for butterfly viewing in general. 

- There's always something new to discover. In some ways it is a collecting behavior just like when you collect cars or whatever, but here you collect experiences of butterflies instead.