172 Allen, Habitat Groups of North American Birds. \_A*tn 



the neck-tufts erect and the large orange-colored air-sacks inflated. 

 Scene, prairies of western Nebraska, with an effective landscape. 



Wild Goose Group. Background by Hobart Nichols. Birds by 

 Herbert Lang.— At Crane Lake, Saskatchewan, near the line of 

 the Canadian Pacific Railway, where water birds, both swimming 

 and wading, assemble in great numbers to pass the nesting season. 

 The site shown is the grassy border of the lake, with the lake and 

 distant hills in the background. The group consists of a single pair 

 of old birds and their brood of seven young, in a foreground of 

 grass and coarse plants. 



Grebe Group. Background by Hobart Nichols. Birds by 

 Herbert Lang. — The studies here represented were also made at 

 Crane Lake. The species are the Western Grebe and the Eared 

 Grebe, several birds of each being shown, with nests of eggs and 

 young birds. A female Redhead Duck, with her nest full of eggs, 

 is introduced at the rear left corner. The site chosen is a grassy 

 slough, with the lake and its numerous islets as a background. 



Bird Rock Group. Birds by H. C. Denslow.— This is a realistic 

 representation of a section of Bird Rock, in the Gulf of St. Law- 

 rence, the long-famous breeding resort of the sea birds of that region. 

 The group contains 73 birds, illustrating seven species. It was the 

 first of the present series of large bird groups to be installed, and has 

 already been described in this journal. 1 It is the only one of the 

 series without a panoramic background, the cliff-like character of 

 the group precluding such treatment. 



In addition to the series of groups above described, another is 

 nearly completed, representing a section of the famous Cuthbert 

 Rookery in southern Florida, illustrating the habits of the Roseate 

 Spoonbill, White Ibis, Snowy and American Egrets, Louisiana and 

 Little Blue Herons. Among others planned to complete the series 

 are groups illustrating the Turkey Buzzard, Whooping Crane, Loon, 

 and Eider Duck, which will each afford the occasion for the in- 

 troduction of additional scenic types in the backgrounds. 



The production of this series of habitat groups has been a serious 

 undertaking. It was work, in many ways, in new lines, where 

 difficulties of many kinds were to be overcome, both in the field 



1 Auk, XX, 1903, p. 247. 



