They repeat this sentence over and over: More lava more land. Cow in question noticed that Some are hiding under the ground of the private garden and that does not make the demonstration easy since it is only possible to walk there by knowing the position of them and avoiding them. Otherwise, the whole place really stinks. They also made some smaller eruptions, for instance the famous "village hole" : it has been set one fire one day for some reason and is burning while the fire they shag under a tree is gone far away and now lives somewhere near thee north pole, but it is still alive and hungry.