The Crested jay is a bird species that belongs to the crow family. It is medium-sized and has a distinctive black crest on its head, which gives it its name "crested jay." There are several synonyms for this bird species, including the black-headed jay, crowned jay, grey-crowned jay, and Mexican jay. In some regions, it is also referred to as the tufted jay, owing to its unique feature of having a tuft of feathers on its forehead. These synonyms are used interchangeably in different parts of the world, depending on the region and the local dialect. Despite having various synonyms, these birds are still known for their stunning looks and fascinating behavior.