BO WER-BIRDS. 
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small flocks, and may often be seen on the ground near the sides of the rivers. 
The adult male is entirely of a deep, shining blue-black, closely resembling satin, 
with the exception of the wings and tail, which are of a deep velvety black. 
The female has all the upper-parts greyish green; the under surface being similar, 
but lighter and washed with yellow; and each feather of the under surface 
having a crescentic mark of dark brown near the extremity. Young males 
closely resemble the females. There are other species of the genus. 
spotted Bower- The five species of this genus differ from the preceding group 
Birds. by having the nostrils exposed, instead of completely hidden by silky 
plumes; while from an allied form they are distinguished by the nostrils being- 
oval in shape and overhung by a membrane behind, as well as by the longer and 
more slender beak. In colour the upper-parts of the common spotted bower- 
bird (Chlamydodera maculata) are deep brown, as are also the wings and tail; 
each feather of the back and rump, as well as the scapularies, being tipped with 
a large buff patch; the under-parts are greyish white. The male is ornamented 
with a broad crest of rose pink, which is wanting in his partner. 
Much similarity exists between the habits of the satin bower-bird and 
those of the spotted bower-bird. The latter species is, however, extremely shy, 
SATIN BOWER-BIRDS AND NEST (J nat. size), 
