Genus Chamaea is a type of bird with only one known species, the Wrentit. This unique bird can be found in the coastal regions of the western United States, from Vancouver to Baja California. Wrentits have been largely unchanged for over 10 million years and are considered a living fossil. Synonyms for Genus Chamaea include the following: Wrentit Bird, Chamaea fasciata, Coastal Wren, Pacific Wren, and Western Wren. These birds have a distinctive and recognizable sound that is often described as a cross between a bird call and a squirrel's chattering. The Wrentit is an essential part of the ecosystem in its range and is admired by bird watchers around the world.