Squirrels eyes are located high, and on each side of their head. This allows them a wide field of vision, without turning their head. The gray squirrels diet consists of nuts, seeds and fruit. It will eat bird eggs, bugs, and even an animal carcass if there is no other food source available. The gray squirrel requires some salt in its diet, and may find this salt in the soil along roads where snow and ice may have been.
Squirrels chew on tree branches to sharpen and clean their teeth.
That's why you may see many small branches on the ground around large trees. They will also chew on power lines for the same reason, this has caused many major power outages throughout the country. A squirrel's brain is about the size of a walnut. The average adult squirrel needs to eat about a pound of food a week to maintain an active life. Squirrels communicate through a series of chirps.