This story explores the lives of woodpeckers in the United States. Woodpeckers are known for their distinctive drumming, which serves multiple purposes, such as making nests, searching for food, and attracting mates. These birds have specialized adaptations such as a strong, chisel-like bill and a unique tongue, which aid them in foraging insects and creating nesting sites. The narrative concludes by acknowledging the cultural impact of woodpeckers. After reading the story "Knock, Knock. Who's There? The Woodpecker," students will discover that woodpeckers belong to the bird family Picidae and roughly 21 species in North America. Kids will learn about the woodpecker's physical traits, like their chisel-like bills and unique tongues adapted for extracting insects, as well as the common concerns they might cause, like drilling into wooden structures. Additionally, students will gain insight into the woodpecker's conservation status, noting that while some species are endangered, the downy woodpecker is not.