The Seagulls Keeper’s Handbook is a comprehensive, professional guide that brings together the full spectrum of knowledge needed to understand, care for, and conserve these charismatic seabirds. Drawing on the latest research in marine ornithology and the practical wisdom of experienced wildlife rehabilitators, the book travels from the evolutionary origins of the family Laridae to the most advanced technologies now shaping seabird science and management. Readers are introduced first to the natural history of gulls—their fossil lineage, global diversity, and the anatomical and physiological adaptations that allow them to thrive from polar seas to bustling urban harbors. Detailed chapters illuminate their intelligence, complex social structures, and cultural significance in folklore, literature, art, and film. The handbook then moves into the demanding realities of seagull stewardship. It covers legal and ethical considerations, the design of spacious aviaries, nutritional planning to replicate natural omnivory, and the veterinary protocols required to prevent and treat diseases such as aspergillosis or avian influenza. Separate sections explain breeding and chick rearing, positive-reinforcement training for husbandry tasks, and enrichment strategies that maintain psychological health and natural behaviors. Later chapters confront the global conservation challenges seagulls face—overfishing, pollution, plastic ingestion, climate change, and habitat loss—while celebrating their role as bio-indicators of ocean health. The book showcases the work of rehabilitation centers, international treaties, and citizen-science projects, and it explores the future of seabird care through emerging tools such as AI-monitored smart aviaries, drone-based colony surveys, and advances in seabird genetics. More than a manual of care, The Seagulls Keeper’s Handbook is an integrated guide and a call to action. It equips educators, wildlife professionals, conservationists, and passionate bird enthusiasts with the scientific understanding, ethical framework, and practical skills required to steward seagulls responsibly. At the same time, it inspires readers to see these birds not as coastal nuisances but as resilient ambassadors of the ocean’s vitality and as sentinels of our planet’s changing seas.