I read somewhere that you can see these as you follow a hypothetical stream from the mountains to the ocean. I know people though who have spent a lot more than 5€ trying to see a wallcreeper and failed...
Профиль
Hanna Kokko
Профиль VivelyA.v.Humboldt professor at the University of Mainz. Evolutionary ecologist. Runs a research group that once prompted the description "in this [coffee] room there's almost always someone who is at least partially fun". (Which we then translated into Latin.)