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.
State Symbols Used on this Website. (for more, see Massachusetts Facts) Massachusetts State Bird - Chickadee. The Black-Capped Chickadee (Penthestes atricapillus) was adopted as the official State Bird by the Massachusetts Legislature on March 21, 1941. It is also known as the titmouse, tomtit, and the dickybird, and it is one of the most familiar of the North American birds.