BIRDS OF THE CAMBRIDGE REGION. 



15 



13. American Goldfinch. 



14. Chipping Sparrow. 



15. Rose-breasted Grosbeak. 



16. Cedar Waxwing. 



17. Red-eyed Vireo. 



18. WarbHng Vireo. 



19. Yellow-throated Vireo. 



20. Blue-headed Vireo. 



2 1 . Yellow Warbler. 



22. American Redstart. 



23. Catbird. 



24. American Robin. 



One or two pairs seen daily ; no nests found. 



One or two pairs nesting. 



Regularly one pair nesting in or near the 

 garden. 



Of irregular occurrence. 



One pair nesting. 



One pair, probably nesting in the neighbor- 

 hood. 



One pair nesting in or near the grounds. 



A male in 1903 and 1904, perhaps nesting. 



One or two pairs nesting. 



One or two pairs nesting. 



One pair nesting. 



From one to three pairs nesting every sea- 

 son in the grounds. 



Winter Residents. 



II. Golden-crowned Kinglet. 



Seen flying over to Fresh Pond. 



Single birds occasionally, once a pair seen 



together. 

 From one to three birds almost daily. 

 One or two noted almost daily. 

 Seen only in the winter of 1903-1904. 

 One or two birds seen occasionally. 

 Noted only during the winter of 1 900-1 901 ; 



then rather frequently. 

 Single birds seen rather frequently. 

 Usually a single pair. 

 From one or two to eight or ten birds seen 



almost daily. 

 Seen infrequently and sparingly. 



Permanent Residents. 



1. Screech Owl. 



2. Northern Flicker. 



3. American Crow. 



4. House Sparrow. 



Seen or heard occasionally at all seasons. 

 Seen almost daily throughout the year. 

 Seen almost daily throughout the year. 

 Always common, at times very abundant. 



