KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



1. GREEN-WINGED TEAL. Male. 

 2. GREEN-WINGED TEAL. Female. 



3. BLUE-WINGED TEAL. Male. 



4. BLUE WINGED TEAL. Female. 



5. CINNAMON TEAL. 



6. SHOVELLER DUCK. Male. 



7. SHOVELLER DUCK. Female. 



8. PINTAIL DUCK. Male. 



9. PINTAIL DUCK. Female. 

 10. WOOD DUCK. Male, 



11. WOOD DUCK. Female. 



12. REDHEAD DUCK. Male. 



13. REDHEAD DUCK. Female. 



14. CANVAS-BACK DUCK. Male. 



15. CANVAS-BACK DUCK. Female. 



