MIGRATION. 13 



there is such a lack of observations with regard to it, that any- 

 thing definite cannot be stated, but from nocturnal observations 

 made in Narragansett Bay and along the coast, it would seem that 

 the main migration of land birds in the fall follows an outside 

 ocean route. 



A LIST OF THE BREEDING BIRDS OF RHODE ISLAND, in 



SPECIES. 



Giving earliest dates on which nests contain eggs. 



Pied-billed Grebe (Podilymbtts podiceps) June 6. 



Common Tern (Sterna hirundo) June 9. 



Black Duck (Anas obscura) May 5. 

 Blue-winged Teal (Querquedula discors) ? 



Wood Duck (Aix sponsa) May 10. 

 Ruddy Duck (Erismatura jamaicensis} ? 



American Bittern (Botaurus lentiginosus) May 23. 



Least Bittern (Ardetta exilis) May 23. 



Green Heron (Ardea virescens} May 21. 



Black-crowned Night Heron (Nycticorax n. ncevius) May 7. 



Virginia Rail (Rallus virginianus) May 29. 



Sora (Porzana Carolina] May 24. 

 Florida Gallinule (Gal/inn la galeata) ? 



Woodcock (Philohfla minor) April 5. 



Wilson's Snipe (Gallinago delicata) ? [May 10.] 



Spotted Sandpiper (Actitis macularia) May 27. 



Killdeer (sEgialitis vociferd) May 10. 



Piping Plover (ALgialitis meloda) June 5. 



Bob-white (Colinus virginianus} May 25. 



Ruffed Grouse (Bonasa umbdlus) May 8. 



Mourning Dove (Zenaidura macroura) May 15. 



Marsh Hawk (Circus hudsonius) May 25. 



Sharp-shinned Hawk (Accipiter velox) May 25. 



Cooper's Hawk (Accipiter cooperii) May 14. 



Red-tailed Hawk (Buteo borealis) April 5. 



Red-shouldered Hawk (Buteo lineatus) April 5. 



Broad-winged Hawk' (Buteo latissimus) May 15. 



American Sparrow Hawk (Falco sparverius) May 10. 



