What is the theme of book black duck?

The theme of Kate Messner's book *Black Duck* is the power of observation and careful attention to detail in solving mysteries and understanding the natural world. It's also about the importance of trusting your instincts and perseverance in the face of adversity.

While the mystery of the missing ducks drives the plot, the underlying message emphasizes the skills of careful observation and deduction that are crucial to both scientific inquiry and problem-solving in general. The protagonist, a young girl named Anya, learns to interpret subtle clues and trust her observations, ultimately leading to a successful resolution. The theme is subtly interwoven with the appreciation of nature and the interconnectedness of its inhabitants.