Is Yokohama a Breed Of Chicken?

Yokohama chickens are an exotic German breed that has very long tail feathers and unusual coloring. They are docile and hardy. However, they require supplemental protein-enriched feeds. In addition to that, they can be aggressive, so keep this in mind before purchasing this breed. https://backyardchickennews.com/is-yokohama-a-breed-of-chicken/?feed_id=146&_unique_id=6379391778bf2 ink}