Are Kerry Blue Terriers hyper?

No, while they are active and energetic dogs, Kerry Blue Terriers aren’t typically hyper as long as they have consistent mental and physical enrichment. 

They have a strong need for daily exercise and mental stimulation, which helps them channel their energy in positive ways. If they don’t get enough physical activity or mental challenges, they can become restless and may display behaviors such as excessive barking or destructive chewing.