INSTINCT AND INTELLIGENCE IN BIRDS 



*33 



formance was given on level ground, or an incline, and whether facing 

 the observer or away from him, though with variable movements in many 



Fig. 31. Five Kingfishers about twenty-three days old, removed from under- 

 ground and placed in line, to illustrate habit of keeping still, and of walking back- 

 wards. 



Fig. 32. The same Kingfishers one minute after the position assumed in 

 Fig. 31 was photographed, showing that Nos. 1 and 5 have each taken a few back- 

 ward steps, while the pose of Nos. 2 to 4 has not appreciably changed. 



cases. When placed in head-to-tail line, and in contact, the line would 

 remain unbroken for a surprising length of time, with hardly the turn 

 of a head, which seems to be due to their habit of sitting still, with 



