136 FAUNA AND FLORA OF FALESTINE. 



332. Sterna bcrgii. Lichst. Verz., p. 80. Swift Tern. 



On the Sea of Galilee in winter. 



This Tern extends from the Red Sea through the Indian and Eastern 

 Pacific Oceans. 



333. Hydrochelidon hybrida. (Pall. Zoog. Rosso-As. ii., p. 338.) 

 Whiskered Tern. 



The Whiskered Tern is seen in winter about the Sea of Galilee, and 

 breeds in the marshes of Huleh. 



It is spread in particular localities through South Europe, Africa, Asia, 

 and Australia. 



334. Hydrochelidon Itiicopiera. (Schinz. Mein. and Sch. Vog. der 

 Schweitz.) White-winged Black Tern. 



This beautiful little Tern may be constantly seen throughout the year, 

 sailing up and down the litde streams that run into the Mediterranean, 

 generally near the sea. 



The White- winged Black Tern is found in Central and Southern 

 Europe and Asia, in North and North-east Africa, and has straggled as 

 far as the Transvaal and New Zealand. 



335. Hydrochelidon nigra. (Linn. Syst. Nat. i., p. 227.) Black 

 Tern. 



Not so common as//, lettcoptera, but scattered on the coasts, generally 

 about the marshes near the mouths of streams. 



The Black Tern is found in Europe, North Africa, North-western 

 Asia, and in America from the north to Chili. 



336. Lams ridibundus. Linn. Syst. Nat. i., p. 225. Black-headed 

 Gull. Arab., ,j~-jhj>, A^urss {generic). 



The Black-headed Gull is scattered all over the country, not only 

 where there is water, salt or fresh, but in the dreary waterless desert, 

 where it feeds on the snails which cover the stems of the desert 

 shrubs. 



The Black-headed Gull ranges from Northern Europe and Asia to 

 the North African coasts, and as far as the Punjab. 



