They are too much work. Beagles need a lot of exercise and if they don't get it, they can become destructive. They have a strong hunting instinct and can be challenging to train not to chase small animals. Beagles are particularly prone to separation anxiety, meaning they do best in homes where someone is usually around with owners that can commit time. Beagles tend to bark excessively, and their hunting instinct can lead them to wander off if they catch a scent.