1914 BIRDS OF ARIZONA l5 



38. Dendrocygna bicolor (Vieillot). 



Fulvous Tree-duck. 



Syni inyrn — Dendrocygna fulva. 



Status — Coues ( [866a, p. 98) has recorded the capture of " a pair taken in 

 November, about twenty miles from Fort Whipple." From a published note of 

 Brown ( 1906, p. 217) it would seem to be of fairly common occurrence in winter 

 on the Colorado and Gila rivers, in the vicinity of Yuma, and decidedly rare else- 

 where in the <tate. 



39. Olor columbianus (Ord). 



Whistling Swan. 



Synonym — Cygnus americanus. 



Status — Recorded by Coues (1866a. p. 98) from the Colorado River and 

 Fort Mohave. There is a recent instance of its occurrence at Sacaton. Pinal 

 County, November 21. 1910 ( Giiman. 1911a. p. 35). 



40. Plegadis guarauna ( Linnaeus ) . 



White-faced Glossy [bis. 



Synonyms — Ibis ordii; Falcinellus ordii; Ibis guarauna; Ibis thalassinus; 

 Plegadis autumnalis. 



Status — Apparently fairly abundant, as there are records of its occurrence 

 .during- the migration in various parts of the state: Tucson. Little Colorado Riv- 

 er, ForN Whipple and Apache, and at various points along the Gila and Colorado 

 rivers. It has been reported as breeding at Mormon Lake, in the Mogollon 

 Mountains ( Merriam. 6890, p. S<^). Idas been found at Tombstone in winter 

 ( Cooke. 191 3, p. 21). 



'41. Mycteria americana Linnaeus. 



Wood Ibis. 



Synonym — Tantalus loculator. 



Status — Apparently common, during the summer months, from May to Sep- 

 tember, along the Colorado River, at least as far up as Fort Mohave (Coues. 

 [866a. p. 96). There are also records for the various tributaries of that stream: 

 the Gila, San Pedro, Bill Williams, etc. It is not known to breed in Arizona, nor 

 has it been observed in winter. 



42. Botaurus lentiginosus (.Montagu). 



Am kkk' w Bittern. 



Synonym — Botaurus minor. 



Status — The only breeding record is that of Mearns (1890a, p. 51) who 

 found the species nesting commonly in the Mogollon Mountains 1 Mormon Lake. 

 etc.). It is a fairly common migrant elsewhere and has been found in winter on 

 the San Pedro River in southern Arizona (Scott, 1886, p. 385). 



