The sperm whale’s massive head could be a battering ram, say US researchers. Male whales might clash heads over mates.
Full Story: http://www.nature.com/nsu/020603/020603-7.html
The sperm whale’s massive head could be a battering ram, say US researchers. Male whales might clash heads over mates.
Full Story: http://www.nature.com/nsu/020603/020603-7.html