This volume serves as a comprehensive taxonomic and descriptive record of specific avian species found within the British Isles. David Armitage Bannerman, a noted ornithologist, compiles extensive field observations and historical data to document the physical characteristics, distribution, and behavioral patterns of the birds covered in this installment. The work utilizes detailed scientific descriptions alongside illustrative plates to provide a definitive reference for researchers and naturalists.

Experts recognize this series as a foundational reference for historical ornithology in the United Kingdom. Readers frequently note the academic density of the prose and the high technical quality of the illustrations.