Tree Squirrels

Identification

• head and body 6 – 15 inches long
• tail 4 - 14 inches long
• white, grayish, yellowish, reddish or brownish above with pale or dark underside
• short, thick fur and bushy tail

Nesting Habits

• build nests in tree cavities or on tree branches
• occasionally enter attics and garages for food and shelter or to nest

Diet

• mainly feed on nuts and acorns seeds, berries, tree bark and fungi

Significance

• minor health concern; carry diseases, but transmission to humans is rare
• can enter buildings and damage walls, wires and insulation

IPM Recommendations

• Exclude squirrels by blocking entrances into buildings with hardware cloth.
• Keep squirrels from climbing trees by installing a 2-foot-wide collar or metal 6 feet off the ground around the tree, or using 2 foot sections of 2-3 inch pipe over utility lines (consult the electrical company for assistance if placing sleeves over electrical wires).
• Use live traps to remove squirrels from buildings, seal entry points and then release outside. Lethal traps are also available for squirrel control.