1, Beagle and Spaniel are two different dog breeds. Beagle (Beagle) is a hunting dog, originating from England, with a long history and rich hound pedigree; and Cocker Spaniel (Spaniel) is a hunting dog, originating from England, also with a long history and hound pedigree.

2. In terms of size, the Beagle is usually smaller, weighing 9-11 kilograms and standing about 33-41 centimeters tall at the shoulder, with a short, stout torso and long ears; while the Spaniel is relatively larger, weighing 12-15 kilograms and standing about 36-39 centimeters tall at the shoulder, with a medium-length torso and long ears. Therefore, there is a clear difference between Beagles and Spaniels in terms of breed and size.