THE BOOK OF MIGRATORY BIRDS 21 7 



startled animal, unaware of the source of attack, still 

 wandered about, and the plover got in a second peck. 

 This time the terrier saw the plover and jumped, but failed 

 to catch it. The duel continued until the terrier, almost 

 exhausted by the pluck and persistency of his opponent, 

 gave up the unequal contest, and retreated from the field 

 of battle. 



