Book excerpt: This book looks at 100 items that have profoundly shaped how people watched, studied and engaged with the avian world. Each item contains around 500 words on a double-page spread and include an illustration of the object in question. The book includes the objects listed below as well as many more.The range of items is international and cross-cultural. Subjects include: *An Egyptian 'field guide' (early tomb decorations of birds, identifiable as species) *Ornithologiae libri tres: the first British bird guide (a 1676 publication that attempted to itemise all British birds known at the time) *The Dodo specimen held at the Horniman museum *Systema Naturae by Carl Linnaeus (the first-ever system of scientific names in 1758, and still the international standard today) *The shotgun *The book, The Natural History and Antiquities of Selborne by Gilbert White (1789) *HMS Beagle (the ship on which Darwin made his ground-breaking discoveries) *Aluminium bird rings (used to record movement and longevity of individuals and species) Along with many more modern innovations including walkie talkies, pagers, radio tags and apps.