BIRDS OF DELAWARE COUNTY. 



BY JOHN CASSIN. 



1. Cathartes aura. The Turkey Buzzard. Occasionally seen, but not common. 



2. Falco analum. Duck Hawk. Uare. 



3. " columbarium. Pigeon Hawk. Frequent in winter. 



4. " sparverius. Sparrow Hawk. Not rare, especially in winter. 



5. Astur atricapillus. Goshawk. A rare visitor in winter, from the north. 



6. Accipiter Cooperi. Cooper's Hawk. Frequent, and probably resident. 



7. " fuscus. Sharp-shinned Hawk. Frequent and resident. 



8. Buteo borealis. Red-tailed Hawk. Frequent and resident. 



9. " lineatus. Red-shouldered Hawk. Frequent and resident. 



10. " pennxi/lvanicus. Broad- winged Hawk. Occasional in winter. 



11. Archihu(eo layopus. Rough-legged Hawk. Common in winter along the 



Delaware. 



12. Archibuteo sanctij'ohannts. Black Hawk. Frequent in winter. 



13. Circus hud.fonius. Marsh Hawk. Common in winter, especially on the 



Delaware River. 



14. AquiJa canadensis. Golden Eagle. Rare, and only in winter. 



15. Ualiactus lencocepkalus. Bald Eagle. White-headed Eagle. Rare, and only 



in winter. 



16. Pandion carolinensis. Fish Hawk. Osprey. Occasionally seen. 



17. Slriz pratincola. Barn Owl. White Owl. Not common. 



18. Bubo virginianus. Great Horned Owl. Cat Owl. Not common, and more 



rare than formerly. 



19. Scops asio Screech Owl. Frequent and resident. 



20. Otus Wilsonianus. Long-eared Owl. Occasionally seen, especially in 



winter. 



21. Brac/ii/o/us Cassinii. Short-eared Owl. Frequent in winter along the 



creeks and the Delaware River. 



22. Syrnium nebulosum. Barred Owl, Gray Owl. Frequent in winter. 



23. Nyctalt acadica Little Owl. Occasionally in winter. 



24. Ni/clea nivea. Snow Owl. Occasionally in winter 



25. Coccyzus americanus. Yellow-billed Cuckoo. Frequent. 



26. " erythroplhahnus. Black-billed Cuckoo. Frequent. 



27. Picus villosus. Hairy Woodpecker. Not common. 



28. " pubescens. Downy Woodpecker. Sap-sucker. Common. 



29. " borealis. Red-cockadcd Woodpecker. Rare. 



30. Picus varius. Yellow-bellied Woodpecker. Frequent. 



31. " pileatus. Great Black Wookpecker. Log-cock. Very rare, but for- 

 merly of frequent occurrence in this County. 



32. Picus carolintis. Red-bellied Woodpecker. Frequent. 



33. " erythrocephalus. Red-headed Woodpecker. Frequent, but less common 

 than formerly. 



34. Colaptes auratus. Flicker. Golden-winged Woodpecker. Frequent. 



35. Trochilus colubris. Humming-bird. Frequent, and resident in summer. 



36. Chaelura pelasgia. Chimney-bird. Abundant. 



37. Hirundo rufa. Barn Swallow. Abundant. 



38. " lunifrons. CHH" Swallow. Occasionally seen. 



39. " bicolor. White-bellied Swallow. Abundant. 



40. Cotyle riparia. Bank Swallow. Occasionally seen, but not common. 



41. " serripennis. Rough-winged Swallow. Rare. 



42. Progne purpurea. Purple Martin. Frequcn*. 



43. Anlrostomus vociferus. Whip-poor-will. Frequent. 



