Now i saw that this is indeed what you say here https://en.m.wikipedia.org/wiki/Adder The map includes just a very small part of Greece. So we have other species of vipers, that is why i confused. Here is one in a picture of mine, with a viper traped in a barel with water. Look the difference in the head (zoom it) https://image.nostr.build/9d9398ba9031f8fdd2858f80ee5e5d92b885da92209ef576a5643718fe4c6c2c.jpg