You are viewing a single comment's thread from:RE: When narwhals (Monodon monoceros) rub their tusks together, it is believed to be to share information about the water, not as a sign of aggressive rivalryView the full contextView the direct parentbiyanoor (50)in #science • 7 years ago Hmmm ok.. I am now agree after reading your post.. God bless you more courage passion and knowledge