24. American Water Spaniel
The American Water Spaniel is a highly energetic dog originally bred for hunting. These dogs need to spend all day running around if you ever want them to sleep at night (much like kids!). This breed is especially fond of water (hence their name). They are great swimmers and even sport a water-resistant coat. As an added bonus, although these pups are exceptionally warm to their owners, they are wary of strangers, making them great watchdogs.
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