"Horton Hatches the Egg" is a beloved children's book by Dr. Seuss that tells the story of Horton, an elephant known for his kindness and sense of duty. When Mayzie, a lazy bird, decides to take a break from her responsibilities as a mother and lays her egg on a tree, she persuades Horton to sit on it until she returns. Despite the challenges and ridicule he faces from other animals, Horton remains steadfast in his commitment to care for the egg, demonstrating his loyalty and integrity.