Seasonal placement and migration of ducks (subsem.) Anatinae) according to the ringing in the USSR”, created by the team of authors, is a unique study that reveals the secrets of the behavior of some of the most mysterious and beautiful waterfowl ducks of the subfamily Anatinae. This factual and analytical work is intended for ornithologists, biologists, ecologists and all those who are passionate about the study of nature and seek to understand the complex mechanisms of migration and seasonal movements of ducks that lived on the territory of the Soviet Union. This book is not just a collection of statistics or dry facts. It immerses the reader in the amazing world of water birds, revealing the peculiarities of their behavior at different times of the year, migration routes and survival strategies. Author's team , Having a wealth of experience and knowledge, uses ringing results one of the most effective methods of tracking bird movements to show, how ducks adapt to changing environmental conditions, How to choose nesting and wintering places , as well as how their migration paths have changed over time under the influence of natural and anthropogenic factors. This book is especially valuable for those interested in the conservation of biodiversity and the protection of aquatic ecosystems. It examines in detail the themes of seasonal migration, the impact of climate change on duck routes, and the role of ringing in population monitoring and threat identification. The author's approach combines scientific rigor with accessibility, making the book useful for both professional researchers and amateur naturalists who want to expand their knowledge of birds and their migratory routes. Seasonal placement and migration of ducks (subsem.) Anatinae) according to the ringing in the USSR” is not only a valuable source of information, but also an inspiring reading that helps to understand the importance of preserving natural migration routes and aquatic ecosystems. It raises topical issues of environmental sustainability, the impact of human activities on migration routes and the need to develop measures to preserve rare and endangered species of ducks. A special place in the book is occupied by the description of ringing methods, their historical significance and modern achievements in the field of ornithology. The author's style is distinguished by clarity and accuracy, which makes complex scientific concepts understandable to a wide audience. In the book you can find many interesting facts illustrating the uniqueness of the behavior of ducks and their adaptation to various conditions. If you are a student biologist, researcher, ecologist or just a nature lover interested in waterfowl and their migrations, this book will become an indispensable source of knowledge for you. It will help to understand how the number and distribution of ducks change throughout the year, as well as give an idea of the importance of protecting their migration routes. For those looking for a book combining scientific depth with practical meaning, Seasonal Placement and Duck Migration (subsem. Anatinae) according to the ringing in the USSR" - this is a real discovery. The author's team, united by a passion for nature and research, created a work that deservedly occupies an important place in the arsenal of ornithological research. This book is not just a scientific work, but an invitation to reflect on the harmony of nature and the need to protect it, on how every pen and every migration is important to the global environmental system. It is worth reading to everyone who wants to understand how the world around us is changing and how we can help preserve its wealth for future generations.