ECOLOGY OF NORTHERN MICHIGAN. 113 



ANNOTATED LIST OF THE BIRDS OF THE PORCUPINE MOUN- 

 TAINS AND ISLE ROYALE, MICHIGAN.* 



N. A. "WOOD, MAX M. PEET, AND O. MCCREAEY. 



1. PORCUPINE MOUNTAINS. 



The following observations upon the birds cover a period from July 13 

 to August 13, 1904. For the determination of certain specimens from both 

 the Porcupine Mountains and Isle Roy ale, we are indebted to Mr. Robert 

 Ridgway and Mr. H. C. Oberholser of the Smithsonian Institution, and to 

 Dr. C. Hart Merriam, Chief of the Biological Survey of the U. S. Depart- 

 ment of Agriculture. 



1. Podilymhus podiceps. Pied-billed Grebe. Station VII. Sub. 1. One 

 seen on Little Carp Lake, August 3. VII. 3. One was seen August 7, on 

 Little Carp river. 



2. Gavia imber. Loon. I. One seen on Lake Superior August 5, and 

 two July 21. V. 3. One seen on Carp Lake August 10. 



3. Larus argentatus. Herring Gull. I. Several adults observed at 

 various times along the lake. Common at Ontonagon, Mich., July 12, 13, 

 and August 13 and 14. 



4. Merganser americanus. American Merganser. I. An adult female 

 and nine or ten young were seen July 21 on Lake Superior. 



5. Lophodytes cucullatus. Hooded Merganser. IV. 1. Adult female 

 and young found on Carp river, July 19 and 20; also observed July 18. 



6. Botaurus lentiginosus. American Bittern. I. One seen in the bushes 

 along the lake shore, August 12. IV. 1. One seen along Carp river July 

 18, and one shot July 19. 



7. Ardea herodias. Great Blue Heron. IV. 1. One seen July 16. V. 2. 

 One adult male in breeding plumage seen at Carp lake, August 6. One 

 was seen flying across Carp Lake, July 30. 



8. Porzana Carolina. Sora. V. 2. An adult male taken on the delta 

 at the eastern end of Carp Lake, August 5. 



9. Gallinago delicata. Wilson Snipe. IV. 1. An adult male taken 

 along Carp river, July 19. One observed feeding July 17. IV. 2. One 

 seen in a grassy marsh along Carp river, Jul_y 18. 



10. Actodromas minutilla. Least Sandpiper. I. One seen along the 

 Lake Superior shore, July 21.* VII. 2. Adult male taken and several speci- 

 mens seen at the beaver meadow on August 3. 



11. Totanus flavipes. Yellow-legs. VII. 2. Immature and adult males 

 taken at the beaver meadow August 3. 



12. Helodromas solitarius. Solitary Sandpiper. I. One seen on the Lake 

 Superior beach, July 27. IV. 1. Immature males, adult male and females, 

 taken along Carp river, July 27 and 28. Common along Carp river, July 



*A preliminary note was published by N. A. Wood, Auk, XXII, pp. 175-178, 1905. 

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