Horn sheath growth in Pronghorns
Pronghorns' unique horns shed the sheath yearly, making their horn sheath growth an interesting subject as they are the only ungulate with this characteristic.
Pronghorns' unique horns shed the sheath yearly, making their horn sheath growth an interesting subject as they are the only ungulate with this characteristic.
The horns of Pronghorns are composed of a permanent slender, laterally flattened blade of bone that is covered by a keratinous sheath.