Antilocapra americana

  

1. deciduous horns with bony core persistant in both sexes and horn
    sheath with one branch (prong) in males and no branches in
    females
2. frontal foramina
3. depression between protruding orbits
4. 32 teeth (0/3, 0/1, 3/3, 3/3)

  
 AAfrontallateral2.jpg (14365 bytes)   AAfrontallateral1.jpg (17225 bytes) 
Click on the thumbnails to see a frontal-lateral view of the Antilocapra skull with the horn sheath intact (left) and without the horn sheath (right).