 Although happy in the company of others , they are fine if left alone . Sealyham Terriers are suited for both the town and country . They can be stubborn , vocal , and boisterous but also full of personality . Whilst they make for loyal family companions , they can be trained to be working dogs , making them excellent <unk> or <unk> . They can also be taught as a puppy to get along with other animals , including cats and birds . 
