D, CLASSIFICATION 
ACCORDING TO HABITS 
I. Birds having remarkable cries. i 
IT. Birds whose nests are likely to be found 
in any garden in the plains. 
Ill. Birds that habitually sit on exposed 
perches. 
IV. Birds that go about in flocks. 
V. Flight. 
_ VI. Feeding habits. 
VII. Birds which habitually carry the tail 
almost vertically. 
Since habits of birds vary according to 
circumstances, none of the lists given are 
exhaustive. They merely serve as rough 
guides.. Thus, if a nest be found in the com- 
pound it is in all probability the nest of one 
of the species set forth in the list given, but it 
may, of course, belong to some other species. 
The list is nevertheless useful, as out of twenty 
nests found in any garden in the plains nineteen 
of them will also certainly belong to birds set 
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