P>iKD LiFF. OF Nrxn^H Dakota 23 



51. Olor cohnnhianns (Orel). Whistling Swan. 



Cr)UES, 1897, p. 5". Andul)on savs on June 5. 1843, he saw two swans light on 

 the prairie near the mouth of the Cnnnonliall River: p. 10; saw two on Tune 8 near 

 Mandan : p. 154; on August 17 saw twenty-two swans near Fort Union. Judd, 1917, 

 p. 9; one specimen was brought in in the fall of 1894. 



There is a mounted specimen in the Biological Station Museum taken 

 at Stump Lake by Alfred Eastgate, and one in the University of North 

 Dakota Museum taken at Devils Lake. According to residents, they occur 

 during migration at the lakes. Mr. Allen, of Mandan, mounted two birds 

 from Fullerton, Dickey County, taken October 20, 192 1, by George Paulson. 



52. Olor buccinator (Ricliardson). Trumpeter Swan. 



Hayden, 1863, p. 175; seen at certain seasons of the year in large) flocks through- 

 out the northwest. A few breed in the valley of the Yellowstone. CouEs, 1878, p. 

 648; observed on a few occasions in Dakota late in September and the first half of 

 October during the mi.gration. It appears to pass chieflv at night. Irrjn. 1803. p. 

 ,382; not uncommon in migration. Tudd, 1917. p. 11; toleral^ly common mi.grant as 

 early as April 13 and the latter half of October. They seldom fly in greater num- 

 bers than four to six. 



In the museum at the University of North Dakota is a specimen labelled 

 Stump Lake, North Dakota, A. J. Hutchins. This bird stood by the side 

 of a whistling swan and was much larger and taller ; its wing measured 

 twenty-six and a half inches and it had twenty-two tail feathers, while the 

 other swans in the collection had each twenty tail feathers and wings from 

 twenty to twenty-one and a half inches. A trumpeter swan (No. 17779) 

 in the collection of H. K. Coale is labelled North Dakota, November, 1891.* 

 Mr. Alfred Eastgate told the writer that it bred at Rock Lake, Towner 

 County, in 1895. No live birds were seen. 



53. Plegadis guarauna (Linnseus). White-faced Glossy Ibis. 



The only records found are a specimen in the -Museum of Zoology, 

 labelled North Dakota, 1882. and a mounted specimen in the Agricultural 

 College Museum, taken at Mandan by J. D. Allen in 19 12. Mr. Williams 

 told me he saw a bird of this species at Amidon. Slope County, in May, 1920. 



54. Mycteria americana Linnaeus. Wood Ibis. 



Mr. Williams, of Grafton, mounted a bird of this species in the spring 

 of 1900. It was taken in a big slough east of Glasston, Pembina County. 



55. Botaurus lentiginosus (Montagu). Bittern. 



CouES, 1878, p. 646; rather common on Alouse River in September, 1873. One 

 was taken on September 2, another September 8. Judd, 1917, p. n ; very common- 

 Small numl)ers were seen in nearly all of the regions visited. There is 

 a specimen in the Museum of Zoology labelled Devils Lake, 1900, Charles 

 L. Cass. 



56. Ixohrychus cxilis (Gmelin). Least Bittern. 



Judd, 1917, p. 11; two seen by Mr. Bishop at Rock Lake, June 20, 1895. Also 

 reported from Devils Lake. 



*Auk, 1915. Vol. XXXn, pp. 84-85. 



