SINGING BIRDS. 
5 
ty of birds, though fo well fitted for changing 
place with rapidity and eafe, for the molt part 
contented with the places where they were bred, 
and by no. means exerting their defire in pro- 
portion to their endowments. The rook, if un~ 
difturbed, would never leave its native wood; 
the blackbird ftill frequents its accuftomed 
hedge, and if ever they change, it is only from 
motives of famine or of fear. There are forne 
forts, however, called Birds ofPnfiage, which re- 
move to warmer or colder climates, as the air 
or their peculiar nourishment invites them. 
In general, every bird rcforts to thofe climates 
where its food is found in plenty, and always 
takes care to hatch its young at thofe places, 
and in thofe feafons, where provisions arepn the 
greatelt abundance. The large birds,- and thofe 
of the aquatic kind, chufe places as remote as 
pofShle from man, as their food is different 
from that which is cultivated by human incluf- 
try. Some birds, which have only the ferpenc to 
fear, build their nefts in fuch a manner as to 
have them depending at the end of a imall 
bough, and the entrance from below : but the 
little birds, which live upon fruits and corn, are 
found In the greateft plenty*' in the moll popu- 
lous countries, and are too often unwelcome in- 
truders upon the fruits oi human labours, in 
making their nefts, therefore, the little b’rdsufe 
everv art to conceal them from man, .vmie the 
A 3 
