HYDROCHELIDON. 271 



In Asia it breeds in the temperate and southern parts, from 

 Palestine and Turkestan, eastwards to north India. It also 

 nests in north Africa from Morocco to Egypt. In winter it 

 visits Africa, ranging south to Cape Colony ; also southern 

 Asia, the Philippine Islands, the Malayan Archipelago, and 

 Australia. Birds from Australia appear to be resident and 

 have been recognised as a distinct race. It is accidental 

 in Barbados. 



Hydrochelidon leucoptera- WHITE-WINGED 

 BLACK TERN. 



Sterna leucoptera Temminck, Man. d'Orn. 1815, p. 483 : 

 shores of the Mediterranean. 



Hydrochelidon leucoptera (Schinz) ; B. O. U. List, 1st ed. 1883, 

 p. 185 ; Saunderg, Cat. Birds B. M. xxv. 1896, p. 6 ; id. 

 Manual, 2nd ed. 1899, p. 635. 



Leucoptera^XevKOTrrepvs ; white-winged from XSVKOS and vrepov. 



Distribution in the British Islands. An Occasional Visitor in 

 spring and autumn. It has occurred chiefly in the eastern 

 and southern counties of England ; twice in Warwickshire 

 and six times in Ireland. * 



General Distribution. The White-winged Black Tern 

 breeds in central and south-eastern Europe from central 

 Russia (Esthonia, 58 N. latitude, and Ufa, 56) south- 

 wards, also westwards in Galicia, Hungary, and occasionally 

 Bavaria. In Asia it ranges across Siberia to the Amur 

 valley and southwards to Turkestan. It is also said to 

 nest in Algeria. In winter it visits Africa, ranging 

 southwards to Cape Colony ; also southern Asia, ranging 

 thence to Australia and New Zealand. It is accidental in 

 Sweden and Denmark, also in the United States and 

 Barbados. 



