Bird Flocks and the Breeding Cycle by F Fraser Darling. 1938.

• Classic research to flocking nature of birds.
• A helpful guide to this aspect of avian science
• Contains inscription on first page.
• The book is in good condition for age..
• The pages are fair, some minor marks and annotations in pencil
• Printed in 1938, Cambridge University Press Books.
• This book has 124 pages. 
• Happy to answer any questions or provide additional photos.

Many Thanks for viewing.