CHECK-LIST OF COLORADO BIRDS SL? 



172. Canada goose. Braxta 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. 



172c. 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 s-wan. 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 subtroincal 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. 



1 86. 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 



