Birds of the Caucasus. 37 



TeTKAOGALLUS CAUCASICUS. 



The Caucasian Snow -Partridge is probably tlie only bird 

 which is only found in the Caucasus^ where it is abundant 

 from the limit of forest-growth to the snow-line. Nothing 

 whatever is known of its habits. 



Tetraogallus caspius. 



The Caspian Snow-Partridge was found by Radde in the 

 Caucasus ; but the exact locality is somewhat obscure. 



Francolinus vulgaris. 



The Francolin is found in the Caucasus, but is very local. 



COTURNIX COMMUNIS. 



The Quail abounds in the Caucasus, except in the forests 

 and swamps. In mild seasons it remains during winter. 



Phasianus colchicus. 



The Pheasant abounds in the Caucasus in the river-valleys 

 up to 3000 feet elevation. 



Rallus aquaticus. 



The Water-Rail is common in most suitable localities — 

 swamps, the reedy banks of rivers and creeks, &c. 



Rallus crex. 



The Land-Rail is very common up to a considerable eleva- 

 tion. 



Rallus porzana. 



The Spotted Crake is common. 



Rallus mi nut a. 



Tlie Little Crake is not uncommon in the Caucasus. 

 Gallinula chloropus. 



The Moorhen is found throughout the Caucasus, except on 

 the mountains. 



PoRPHYRIO CiERULEUS. 



The Purple Gallinule has been obtained in the Caucasus, 

 but is said to be very rare. 



Fulica atra. 



The Coot is common in the rivers and lakes on the plains. 



Otis tarda. 



The Great Bustard is a common bird on the northern 



