People can clench and grind without being aware of it. It can happen during both the day and night, although sleep-related bruxism is often a bigger problem because it is harder to control. There is some disagreement about the cause of bruxism. Daily stress may be the trigger in many people.
The Blue Jay has a very large range, extending to around 6,700,000 square kilometers. It prefers a boreal temperate, subtropical, tropical forest ecosystem and is native to North America, Saint Pierre, and Miquelon.
Northern bobwhite. The northern bobwhite, Virginia quail or (in its home range) bobwhite quail (Colinus virginianus) is a ground-dwelling bird native to the United States, Mexico, and the Caribbean. It is a member of the group of species known as New World quails (Odontophoridae).