Likely answer

The Children's Classic Are You My Mother? by P. D. Eastman

P. D. Eastman wrote the beloved children's book Are You My Mother?, first published in 1960. The story follows a hatchling bird who emerges from his egg while his mother is away. Determined to find her, he asks various animals and machines—including a dog, a cow, and a steam shovel—the title question before finally being reunited with his mother back at his nest.

Confirmed match: Are You My Mother? by P. D. Eastman