1914 BIRDS OF ARIZONA 13 



25. Dafila acuta (Linnaeus). 



PINTAIL. 



Status Has been reported as a migrant from various parts of the state. It 

 was found on Mormon Lake, in the Mogollon Mountains, in May, by Mearns. 

 Seen on the San Pedro River in February, so is probably a winter visitant in 

 southern Arizona (Willard, 19100, p. no). 



26. Marila americana (Eyton). 



REDHEAD. 



Synonym Aythya americana. 



Status The only record of the occurrence of this species in Arizona is that 

 by Scott (1886, p. 384), who reported it as occurring in winter in the vicinity 

 of Tucson and on the San Pedro River. 



27. Marila valisineria (Wilson). 



CANVAS-BACK. 



Synonym Aytliya vallisneria. 



Status Scott (1886, p. 384) records a small flock seen on the San Pedro 

 River, January 28, 1886, while Coues (i892a, p. 198) reports it as occurring in 

 large numbers on the Verde River near Fort Whipple, in winter. These are the 

 only records for the state. 



28. Marila marila (Linnaeus). 



GREATER SCAUP DUCK. 



Synonym Aythya marila nearctica. 



Status Known only from the record by Scott (1886, p. 384), who speaks of 

 it as "rather common on the San Pedro in winter." 



29. Marila affinis (Eyton). 



LESSER SCAUP DUCK. 



Synonym Aythya affinis. 



Status A record by Scott (1886, p. 384) of "a few seen on the San Pedro 

 during late January." Common near Tucson in March, 1912 (Sloanaker, 1913, 

 p. i<)5). Observed on the Colorado River, near Ehrenberg, March 24, and at 

 Cibola, April 4, 1910 (Mus. Vert. Zool.). 



30. Clangula clangula americana Bonaparte. 



AMERICAN GOLDEN-EYE. 



Status Only one record, that of two specimens taken near Tucson, April 1 

 and February I, respectively (Sloanaker, 1912, p. 154). 



31. Charitonetta albeola (Linnaeus). 



BUFFLE-HEAD. 



Synonyms Clangula albeola; Bucephala albeola. 



Status While apparently not common, this species has been reported in 

 winter from various scattered localities in all parts of the state (Tucson, San 

 Pedro River, Bill Williams River, etc.). 



