Photo by Chal Landgren, OSU.

Rabbits

Significant amounts of bark removed (Photo by Chal Landgren, OSU).

Signs & Symptoms

  • Damage on young trees
  • Shoots cut off at a 45-degree angle or girdling at the base
  • Significant amounts of bark removed, or tree is completely cut.

Where to Look

  • Stems of young trees up to 2 ft from the ground

Management Options

  • Maintain weed control in the rows, particularly around the base of the tree. Use hazing, shooting, fencing, and tree tubing.

Birds

Broken treetops (Photo by Rick Fletcher, OSU).

Signs & Symptoms

  • Broken treetops (from May to July) when new tops are just elongating

Where to Look

  • Tall trees are most vulnerable.

Management Options

  • Place poles or perches throughout the fields at a height above the trees. Use frightening devices.