254 PROPAGATION OF WILD BIRDS 



times consider this the natural odour of the bird. A good 

 policy is to kill raptorial birds which we know seriously 

 destroy birds but to give the rest of them the benefit of the 

 doubt. Crows do some good, but they are great destroyers 

 of eggs and young birds, and should not be allowed to be- 

 come too numerous. Blue-jays are not guiltless, but they 

 are so interesting and handsome that a moderate number 

 of them may well be spared. 



