The Ultimate Guide to Western Gray Squirrel: Identification and Control

The Western Gray Squirrel, scientifically known as Sciurus griseus, is a fascinating species of tree squirrel native to the western United States. With its unique characteristics and behaviors, it has become an intriguing subject for wildlife enthusiasts and researchers alike. In this article, we will explore various aspects of Western Gray Squirrels, including their identification, habitat, diet, reproduction, and effective management techniques.

Western Gray Squirrel
Western Gray Squirrel


The Western Gray Squirrel is a medium-sized squirrel with a body length ranging from 17 to 20 inches and a bushy tail measuring around 11 to 14 inches. Its fur color varies from light gray to dark gray, with a lighter underside. One distinctive feature is its large, prominent ears. Unlike other squirrels, Western Gray Squirrels have a more subdued and less playful demeanor.


Western Gray Squirrels primarily inhabit coniferous forests and woodlands, including oak woodlands and mixed-evergreen forests. They are commonly found in the western regions of the United States, particularly in California, Oregon, and Washington. These squirrels are well adapted to forested environments and are skilled climbers, using their sharp claws to navigate trees and branches.


The diet of Western Gray Squirrels consists of a variety of foods, including acorns, pine nuts, seeds, fruits, mushrooms, and insects. They have a preference for conifer seeds during the winter months when other food sources are scarce. These squirrels are known for their foraging abilities and will often store surplus food in caches for future consumption.


Breeding among Western Gray Squirrels usually occurs once a year, with mating season typically taking place in late winter or early spring. Females build nests called dreys in tree branches, where they give birth to their young. The average litter size ranges from 2 to 4 offspring. The newborn squirrels are blind and hairless at birth, relying on their mother’s care and nourishment until they are able to venture out on their own.

Effective Management Techniques

While Western Gray Squirrels play an important role in the ecosystem, their presence can sometimes lead to conflicts with humans, particularly when they invade residential areas or cause damage to property. If you’re facing issues with Western Gray Squirrels, it’s essential to employ appropriate management strategies. Here are some effective techniques for squirrel control:

  1. Exclusion: Seal off any potential entry points on your property, such as gaps in roofs, vents, or crawl spaces, to prevent squirrels from entering your home or building.
  2. Habitat Modification: Make your property less attractive to Western Gray Squirrels by removing potential food sources, such as fallen fruit or accessible bird feeders. Keep trees trimmed away from structures to minimize access.
  3. Trapping and Removal: If squirrel activity persists, trapping and removal may be necessary. It is important to consult with a professional pest control company to ensure proper trapping methods and relocation in accordance with local regulations.


If you’re experiencing issues with Western Gray Squirrels on your property or require assistance in managing their presence, contact Arete Pest Control. Our experienced team specializes in effective squirrel control methods, ensuring the safety and well-being of both you and the squirrels. Don’t let Western Gray Squirrels disrupt your peace of mind. Take proactive steps today by reaching out to us for professional assistance.