Crossbills and Conifers: One Million Years of Adaptation and Coevolution

Crossbills and Conifers explores an intimate natural historical connection, revealing why crossbills have become an exemplar of diversification and coevolution. Craig Benkman takes readers on his 40-year journey of research and discovery, exploring a series of unique and interrelated findings about the behavior, ecology, evolution and conservation of a remarkable group of birds.

Key to revealing these insights is the ease with which one can measure how variation in bill structure, and conife...