DESCRIPTION. 151 



parts grayish white, spotted with black. Young : 

 Similar to adult, but fore^part of head dusky, and 

 lower parts without black markings. 



51. Canada Goose. 



Length about 40 inches. Bill about 2J inches 

 long. Upper parts brownish-black, whitish patch 

 on sides of head, tail-coverts white, lower parts 

 brownish-gray, bill and feet black. 



52. American Bittern. 



Length about 30 inches. Bill about 3 inches 

 long. Plumage ochraceous, varied above by mot- 

 tling and freckling of reddish-brown and blackish, 

 with a blackish stripe on side of neck ; lower parts 

 pale buff, striped with brown. 



53. Least Bittern. 



Length about 14* inches. Bill about 2 inches 

 long. Adult male : Sides of head and neck ochra- 

 ceous, chestnut on hind-neck, throat and fore-neck 

 whitish, striped with pale buff, middle of wing- 

 feathers buff and rufous, other upper parts glossy- 

 black, lower parts buffy. Adult female and Young : 

 Similar to the male, but more brownish, feathers of 

 back in young tipped with buff. 



54. Great Blue Heron. 



Length about 46 inches. Bill about 5J inches 

 long. Adult: Occiput and sides of crown black, 



