THRESKIORNITHIDjE: Ibises 



55 



CICONIID^E (Family Storks and Wood Ibises). Wood Ibises, so-called, 

 are in fact Storks: birds of large size, with heavy, curved bill and naked 

 head and neck. They nest in trees. ARDEID^E (Family Herons and 

 Bitterns) are long-necked wading birds, the larger species with correspond- 

 ingly long legs ; bills always straight and pointed dangerous weapons. 

 Frogs, fish, water insects, and nestlings of smaller birds are their food. Some 

 Herons are highly gregarious, nesting in colonies in trees. 



Southern California Res. 

 Fresh-water ponds and 

 marshes. Formerly nested in 

 favorable localities, which are 

 now rare or absent. Less 

 common in winter. 



Arizona - - Migrant only; 

 fairly common and widely 

 distributed. 



White-faced 



WOOD IBISES. Family Ciconiidae 



Southern California A 

 mid-summer visitant only, very 

 irregular, occurring usually in 

 large flocks that may represent 

 a dozen or more families. 



Arizona Frequent along 

 the Colorado River and larger 

 tributaries. 



Not known to nest in our 

 region though it may do so in 

 the great marshes of Imperial 

 Valley. 



Wood Ibis 



