does Iceland have large warm blooded mammals (not humans)? an American hunter once told that that for mosquitos to be a problem for humans, there's needs to be

does Iceland have large warm blooded mammals (not humans)? an American hunter once told that that for mosquitos to be a problem for humans, there's needs to be a baseline diet for them of large bloody creatures for them to snack on, to generate large numbers of them. So, in North America this generally would mean that if you have lots of deer in the woods, you'll encounter lots of mosquitos. since I learned that I've noticed it seems to be true.