Tree Squirrels
Sciurus spp.
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.