MIGRATION. 



13 



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

 thing definite cannot be stated, but from nocturnal observations 

 mdde 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 S.hode Island, hi 



Species. 



Giving earliest dates on which nests contain eggs. 



Pied-billed Grebe {Podilymbus podiceps) June 6. 



Common Tern {Sterna hi nmdo) June 9. 



Black Duck {Anas obscura) May 5. 

 Blue-winged Teal {Querquedida discors) ? 



Wood Duck {Aix sponsa) May 10. 

 Ruddy Duck {Erismatura jamaicensis) 1 



American Bittern {Botaurus lentiginosus) May 23. 



Least Bittern {A rdetta exilis) May 23. 



Green Heron {Ardea virescens) May 2 1 . 

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



Virginia Rail {Rallus virginianus) May 29. 



Sora {Porzana Carolina") May 24. 

 Florida Gallinule {Gallinula galeata) ? 



Woodcock {Philohela minor) April 5. 



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



Spotted Sandpiper {Actitis jnacuJaria) May 27. 



Killdeer {^gialitis vocifera) May 10. 



Piping Plover {^gialitis meloda) June 5. 



Bob-white {Colinus virginianus) May 25. 



RufEed Grouse {Bonasa umbellus) May 8. 



Mourning Dove {Zenaidura macrourd) May 15. 



Marsh Hawk {Circus hudsoniiis) 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 sparvcrius) May 10. 



