SHRIKES. 



199 



provided, one of which lie was soon observed to 

 seize, and spit on a thorn with the greatest quick- 

 ness and dexterity*. 



The Shrike. 



That one of the reasons for thus transfixing their 

 prey is for the purpose of more conveniently feeding 

 on it, there can be no doubt; for if confined in a 

 cage, they evince a similar propensity, and if not 

 provided with a thorn, will invariably fasten it to 

 the wires before commencing their repast. It has, 

 however, been suggested, that as the quantity de- 

 stroyed, particularly of insects, so far surpasses the 

 wants of the destroyer, they may be placed on the 

 thorns as baits. This seems to be a prevailing 



* Lin. Trans, vol. xv. 



