Personification

A figure of speech that gives human qualities to objects, animals, or ideas.

Example From Text

And here, lying by the river bank through the long spring days, watching the running water, listening lazily to the songs of birds and the hum of nature, Buck slowly won back his strength.

Explanation

Can nature really hum? Here, London gives nature the human quality of humming. The author uses personification to emphasize the idea that nature is all around Buck.