The ruby-crowned wren is a beautiful bird native to North America. It is often recognized by its distinctive ruby-red crown, which makes it stand out among other bird species. However, there are several synonyms for the ruby-crowned wren that are worth knowing. Some of these include the ruby-crowned kinglet, the red-crowned kinglet, the ruby-headed kinglet, and the ruby-crowned regulus. These names reflect the bird's small size and its brightly colored crown feathers. The ruby-crowned wren is known for its lively and energetic personality, and it is a popular sight among birdwatchers and nature enthusiasts.