Dragonflies & Damselflies 对比 BTO Ringing & NRS Info 的使用情况和统计数据

A comprehensive field guide to the dragonflies and damselflies of Britain and Ireland. Covers in detail the identification of all 47 species that have been recorded in the region. It aims to help the Dragonfly-watcher – beginner or expert – to identify any species they encounter. • Stunning colour photos of all species – showing males, females, immatures and colour forms • Innovative, beautifully detailed and easy-to-use identification charts summarising the key features • Detailed species profiles covering identification, distribution, flight periods, immature stages • Sections on biology, habitats, tips on how and where to watch Dragonflies, and other useful information • A key to identification • Display species names in English, Irish, European or Scientific