DOMESTICATED BIRDS 



171 



fledgling young, were lazily swimming to and fro, as if to 

 practise the ducklings in the art of swimming. - Each brood 

 appeared to have its own space of water, and between each 

 of the chicks there was likewise a less but equally well meas- 

 ured interval. The same features of orderly association, 

 which I have just noted in the swimming and flying of these 

 wild birds, may be seen in a somewhat degraded state in our 



Terns Aiding a Wounded Comrade 



domesticated varieties of the group. They all indicate in 

 these forms a keen sense of their neighbors and a habit of 

 association based upon sympathetic emotions. 



The sympathetic quality of our water fowl, at least in that 

 part of the emotion which leads them to be concerned with 

 the afflictions of their species, appears to be more distinct 

 than in the case of our ordinary barnyard fowl. Geese, as is 

 well known, will make common cause against an intruder 

 from whom harm to the flock may be expected. Their 



