Do dogs have language?

Dogs can communicate with humans and other animals through barking, licking, body posture and facial expressions, but they do not have a complete grammatical structure and vocabulary system like the language used by humans. Dogs can express different emotions and intentions through the tone and frequency of their barks, such as warning, welcoming, seeking attention or feeling uneasy. In addition, dogs also use body language and facial expressions to convey information, such as wagging their tails to show happiness or ears back to show fear. Although dogs do not have language skills like humans, they can establish a relatively effective way of communication with humans.

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