158 A HAND-LIST OF BRITISH BIRDS. 



but supposed to breed in Marocco) coasts of Marocco, Algeria, 

 Tunisia, and Egypt. Replaced by an allied race in North America, 

 east Siberia, and Greenland. 



COLYMBUS NIGRICOLLIS 



339. Colymbus nigricollis nigricollis (Brehm) — THE BLACK- 

 NECKED GREBE. 



PoDicEPS NIGRICOLLIS Brehm, Handb. Naturg. Vcig. Deutschl., p. 963 

 (1831— E. Germany). 



Podiceps nigricollis C. L. Brehm, Yarrell, iv, p. 133; Podici pes nigricollis 

 C. L. Brehm, Samiders, p. 723. 



Distribution. — British Isles. — Resident. Known to have bred 

 regularly one locality since 1904, also some evidence of breeding 

 on occasions Norfolk, Oxon., and Perth. Otherwise irregular visitor, 

 chiefly autumn to spring, but sometimes summer, and most fre- 

 quently coasts Yorks., Norfolk, and Merioneth. Elsewhere very 

 uncommon, while in north-west England and west and north 

 Scotland and Orkneys very rare vagrant and not known 0. Hebrides 

 or Shetlands. In Ireland obtained twenty-four times. Occasional 

 inland waters. 



Distribution. — Abroad. — From south Sweden throughout Europe 

 to Africa and through temperate Asia to China and Japan. Breeds 

 even in tropical and south Africa (Abyssinia and South Africa). 

 Straggler to Azores. Replaced by a closely-allied form in North 

 America. 



COLYMBUS RUFICOLLIS* 



340. Colymbus ruficollis ruficollis Pall.— THE LITTLE GREBE. 



Colymbus ruficollis Pallas, Vroeg's Cat. Coll., Adumbratimicula, p. 6 

 (1764— Holland). 



Podiceps fluviatilis (Tunstall), Yarrell, iv, p. 137; Podicipes fluviatilis 

 (Tunstall), Samiders, p. 79.5. 



Distribution. — British Isles. — Resident. Generalh' distributed, 

 but less plentiful northern Scotland. In autumn, immigrants occur 

 east coast England, and in winter many go down to tidal waters. 



Distribution. — Abroad. — From about lat. 62° north, southwards 

 throughout Europe to north Africa, and temperate Asia. Replaced 

 by more or less closely-allied forms in troj^ical and south Africa, 

 troi)ical Asia, Australia, New Zealand, and North America. 



* The introd uction by Sherbom and American ornithologists of Pallas's 

 names in the sale-catalogue of Vroeg's collection — names published with full 

 diagnoses and localities, and therefore perfectly genuine — necessitates this 

 alteration of the name of the Little Grebe. — E.H. 



