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An account of the symbiotic relationship between pine trees and jays. A cycle of dependency has progressed for several million years as birds have effectively planted the trees that sustain them by dispersing the seeds. This book covers a wide range of regions, focusing on the Rocky Mountains and the American Southwest, but also ranging from the Alps to Finland, and from Siberia to China. The book is written from the perspectives of evolution, ecology and animal behaviour.

An account of the symbiotic relationship between pine trees and jays. A cycle of dependency has progressed for several million years as birds have effectively planted the trees that sustain them by dispersing the seeds. This book covers a wide range of regions, focusing on the Rocky Mountains and the American Southwest, but also ranging from the Alps to Finland, and from Siberia to China. The book is written from the perspectives of evolution, ecology and animal behaviour.