Gary William KaiserGary Kaiser spent 30 years as a migratory birds biologist in Environment Canada. He specialized in the capture and banding of a wide variety of birds. On retirement, he transferred his knowledge of living birds to fossils and has worked on bones fromthe west coast of Canada and on fossil eggs from ancient breeding colonies in Argentina and Romania. This is his second book on the history of birds. In 2007 he published The Inner Bird: structure and evolution. Read More Read Less