官方藏书 / Environmental_Issues / Migration of Birds (1950)

Migration of Birds (1950)

Frederick Charles Lincoln · Environmental_Issues · 24 章

目录

The Project Gutenberg eBook of Migration of Birds (1950)MIGRATION Contents MIGRATION of BIRDS The Mystery of Migration Advantages of Migration Theory of continental drift Nocturnal and diurnal migration Segregation during migration Long-distance migrations Pacific oceanic route Arctic routes Evolution of Migration Routes Vertical Migration Vagrant Migration Exhaustion Influence of the Weather on Migration Migration of the yellow-billed loon Conclusions Appendix I—List of Birds Mentioned in the Text Appendix II—Bird Banding Bibliography Index THE FULL PROJECT GUTENBERG™ LICENSE