There are several books and resources that discuss the decline of hedgehog populations in the United Kingdom. Some notable ones include: 1. **"Hedgehogs" by Pat Morris** - This book provides an in-depth look at hedgehog biology, behavior, and the challenges they face, including the factors contributing to their decline. 2. **"The Hedgehog Book" by Hugh Warwick** - Warwick, a well-known hedgehog expert, explores the life of hedgehogs and the reasons behind their declining numbers, as well as conservation efforts to protect them. 3. **"Hedgehogs in the Landscape" by Henry Johnson and Alison Foy** - This book examines the relationship between hedgehogs and their habitats, detailing how changes in the landscape have affected hedgehog populations. 4. **"The New Hedgehog Book" by Pat Morris** - A revised edition that updates readers on recent findings and conservation efforts concerning hedgehog populations in the UK. 5. **"Hedgehog" by Hugh Warwick (in the Reaktion Books' Animal series)** - Warwick delves into the cultural significance, natural history, and conservation of hedgehogs, addressing the decline in their populations. 6. **"A Prickly Affair: My Life with Hedgehogs" by Hugh Warwick** - A personal account by Warwick, blending memoir and natural history, focusing on his experiences with hedgehogs and the broader issues impacting their survival. 7. **"The Hedgehog Predicament: A Conservation Problem" by Various Authors** - This collection of essays and research papers discusses the various factors contributing to the decline of hedgehogs and potential solutions. These books provide valuable insights into the decline of hedgehog populations in the UK, their ecological significance, and efforts to conserve this beloved species. `Knowledge Base:` [[Animals]], [[Ecology]]