Al-Jahiz's monumental 'Kitāb al-Ḥayawān' (The Book of Animals) is a foundational work of Arabic prose and an extraordinary compendium of zoological knowledge, philosophical reflection, and social commentary from the 9th century. This multi-volume encyclopedia offers deep insights into animal behavior, classification, and anatomy, interweaving scientific observation with anecdotes, poetry, and profound ethical discussions. Beyond its biological scope, the book serves as a rich tapestry of Abbasid intellectual life, showcasing Al-Jahiz's unparalleled literary prowess, wit, and vast erudition across theology, linguistics, and philosophy, making it an enduring classic.