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Gray & Fox Squirrel Damage Control

Prevention and Control of Wildlife Damage 1994
 Squirrels may be pretty and fun to watch, but they are the number one source of revenue for wildlife control operators.
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Fox squirrel. Photo by Nebraska Game & Parks CommissionScientific Name 
  • Gray Squirrel Sciurus carolinensis
  • Fox Squirrel  Sciurus niger

Fox squirrel eating a corn cob. Photo Credits: NEBRASKAland Magazine/Nebraska Game and Parks Commission Photo

Biology

  • Diurnal
  • Mating 2-3 times per year with 3-5 young per litter
  • Superb climbers
  • Scatter cache food rather than making a single cache
  • Live in leaf nests high in trees and/or tree crevices.

Sign

  • small inch-wide holes created in turf, wood mulch when squirrels bury or retrieve nuts and other stored food items.
  • make noises when upset that sounds like "chrr"
  • Tracks are paired with hind feet preceding front feet. Tracks may lead to base of tree. Tracks are smaller than cottontail rabbit.

Damage

  • gnaw and strip bark, from upper branches of trees. These are usually 1/2 inch wide and three to sixbark stripping by squirrels. Photo by Dallas Virchow inches long. Other small limbs branches of one- to two-feet in length and 1/4 to 1/2 inch diameter are clipped and dropped to the ground. This activity usually occurs in winter. See photo at right. Photo by Dallas Virchow
  • gnaw wiring & tubing,
  • nuisance at bird feeders,
  • gnaw holes in buildings and vents typically 1.5-3.0 inches wide.
  • dig holes in gardens
  • Eat impatience plants (help us improve our list. Tell us of plants squirrels have eaten in your yard).

Solutions

Habitat Modification

  • Cut tree branches at least 10 feet away from roof line
  • Wrap tree trunks with 12" (or greater) aluminum flashing at least 6 feet off ground.
  • Screen attic vents from the outside with 1/4" hardware cloth to prevent entry.
  • Cap all chimney flues with professionally manufactured stainless steel caps.
  • Remove or modify all bird feeders.

 

Repellents

  • Limited value. Taste repellents can be effective to stop squirrel gnawing on a particular spot.

Trapping

  • Box/cage traps--minimum size 5x5x20" single door.
  • Rat snap traps
  • #110 conibears
  • Tunnel traps and other specialty traps.

 

Shooting

  • .22 calibers and shotguns provide effective methods of population control in areas where safe and legal.

Toxicants

  • None available

 

Diseases-Safety

 

Legal Issues

  • Fox and Gray squirrels are usually considered game species and have legal protections.

 

Living With Gray and Fox Squirrels

 

Publications & Resources

 

News

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