Cockalier is a designer crossbreed dog between the Cocker Spaniel and the Cavalier King Charles Spaniel from the USA. This is a very smart breed, very easy to train, and can pick up commands and tricks quickly. Cockalier has an adorable personality, and they start to bond to humans they meet very quickly. This playful breed is very social, eager to please, and gets along well with young children. Cockatiels are very calm and non-aggressive, and they bark only occasionally. This breed usually needs lots of attention and tends to develop a “separation anxiety” if he is left alone for too long. You need to be prepared with a variety of activities and toys because this breed has lots of energy and a playful personality. The size of the Cockalier is about 12-15 inches, and its weight varies between 10 and 28 pounds.