CHECK-LIST OF COLORADO BIRDS 313 



172. Canada goose. BRANTA CANADENSIS. Summer and 

 winter resident ; rare, except locally ; common in migra- 

 tion ; breeds about secluded lakes at 10,000 feet. 



I72a. Hutchins's goose. BRANTA CANADENSIS HUTCH- 

 INSII. Common migrant ; breeds in the North ; a few may 

 winter in the State. 



I72c. Cackling goose. BRANTA CANADENSIS MINIMA. 

 One record ; Pacific coast bird ; breeds in Alaska. 



173. Brant. BRANTA BERNICLA. Rare or accidental 

 migrant ; an eastern species seldom coming west ; breeds 

 only within the Arctic Circle. 



180. Whistling swan. OLOR COLUMBIANUS. Migrant; 

 not common ; formerly fairly plentiful ; breeds far 

 northward. 



181. Trumpeter swan. OLOR BUCCINATOR. Rare mi- 

 grant ; not so common as preceding ; breeds from Iowa and 

 Dakota northward. 



183. Roseate spoonbill. AJAJA AJAJA. Accidental ; 

 two instances ; habitat, tropical and subtropical America. 



184. White ibis. GUARA ALBA. Rare migrant; one 

 taken on plains ; habitat, tropical and subtropical Amer- 

 ica, coming north as far as Great Salt Lake and South 

 Dakota. 



[185.] Scarlet ibis. GUARA RUBRA. Accidental; one 

 specimen taken; a wonderful record for this tropical 

 species. 



186. Glossy ibis. PLEGADIS AUTUMNALIS. Accidental; 

 two fine specimens taken in the State ; this is far out of 

 its ordinary tropical range. 



187. White-faced glossy ibis. PLEGADIS GUARAUNA. 

 Summer visitor ; rare ; fairly common in New Mexico and 



