BIRDS 



385 



Loons and 

 grebes 



(e) Apterygiformes. The Apteryx or kiwi of New The kiwi of 



Zealand ; a genus of birds about the size of a 

 fowl, with long, slender beak and entirely 

 rudimentary wings. They are somewhat re- 

 lated to the emeus on the one hand, and the 

 extinct moas on the other, but constitute a 

 very distinct and isolated group, surviving in 

 New Zealand because of the absence of carniv- 

 orous mammals and other enemies. Five 

 forms are recognized. 



(f) Colymbiformes. Looris and grebes. Here we 



first come to a North American group, 

 well represented in the northern hemisphere. 

 They are aquatic birds, with webbed or lobed 

 toes, and capable of vigorous flight. 



GO Procellariiformes. Albatrosses and petrels, ma- Petrels and 

 rine birds with tubular external nostrils. They 

 are quite distinct from the gulls, with which they 

 are often associated and which they more or less 

 resemble. They 

 are to be found in 

 mid-ocean, and 

 nest on isolated 

 rocky islets, where 

 they are usually 

 free from moles- 

 tation. 



(h) Ciconiiformes. 

 Storklike birds, a 

 miscellaneous as- 

 semblage includ- 

 ing storks, ibises, 

 herons, cormo- 



their rela- 

 tives 



Pkotosropk by R.R. 



N - Y - Zo6L Soc - 



FIG. 157. Black-necked stork, or jabiru 

 (Xenorhynchus asiaticus), found from 

 rants, pelicans, India to Australia, 



