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.
Click him to hear his song. Mockingbird nest.Click Image to Enlarge. Fledgling Mockingbird chick. Click Image to Enlarge. Florida's State Bird. Senate Concurrent Resolution No.3 of the 1927 legislative session designated the mockingbird as the State Bird of Florida. Not only a Florida favorite, it is the State Bird of Arkansas, Mississippi, Tennessee and Texas.