Contents 



Chapter Page 



Acknowledgments vi 



1. The Background 1 



2. Anaktuvuk Pass 15 



3. Kobuk 131 



4. Old Crow 149 



5. Status and Distribution 245 



6. Migration and Origins 263 



7. Residence in the Arctic 287 



8. Biological Aspects of Migration and Nesting 315 



9. Arctic Metabolic Economy of Warm-blooded Animals 331 



10. — Retrospect 353 



Literature Cited 357 



Appendix 369 



Index 389 



V 



