The narwhal is the only one I can think of.
Well, actually, giraffes are the only animal born with horns. Unbelievable, isn't it?
yes they have two upper horns and one big lower horn
Yes. The pronghorn is the only animal in the world that sheds its horns annually.
Hmmm, Tusk is simply the only thing i can relate to that. But im also pretty sure 'Deer' Have them?
The animal with the largest horns is the African buffalo, also known as the Cape buffalo. Male African buffalo can have horns that span up to 2 meters (6.5 feet) wide. These horns are used for defense and dominance displays within the herd.
Snails
The giraffe
Rinasuraus
Yes - but they're only simple 'bumps' on the skull. As the animal grows, the horns gradually lengthen.
The white tailed deer is the only animal that sheds their horns each year. This makes the size of the horns of some specimens remarkable, because they have grown in one season.
The giraffe is the only animal born with horns called ossicones. These ossicones are made of ossified cartilage and are part of the giraffe's skull structure.
no the horns do not fall off the animals< dehorning though a rare practice amongst the breeders in the region is the only reason for th absence of horns on sum of the animals of this breed