Geographical Distribution 



185 



these trees were widely distributed over North America, but 

 today they are restricted to our western coast/° and it may 

 be are doomed to extinction, 



Amono- the most characteristic, and witlial attractive mem- 

 bers of California society are the hummiii<^ birds, a group 

 occurring only in America. The several species found along 



A California Big Tree Grove 

 Courtcny of the U. t>. Bureau of Bioloykul Surrey. 



the Pacific Coast and the few occurring elsewlierc are in- 

 vaders from the tropics where most of the more than four 

 hundred species find a home. Another interesting inhabitant 

 of southern California and Arizona is the great condor, 

 which spreads its wings from eight and a half to eleven feet. 

 Dwelling in the damp forests of Oregon and Cialifornia 



"Sequoia gigantea is limited to a few small areas in California, while 

 S. sempervirens or the "redwood" extends north along the coast into 

 Oregon. 



