Is the English Toy Spaniel the same as the Cavalier King Charles Spaniel?

No, the English Toy Spaniel and the Cavalier King Charles Spaniel are different breeds, although they share some similarities and historical connections. The Cavalier King Charles Spaniel has a longer muzzle and a more expressive face, while the English Toy Spaniel has a shorter, more pushed-in muzzle. The Cavalier is generally larger and more robust than the English Toy Spaniel.