INTRODUCTION. 



Branta leucopsis. 

 Cygnus cyanu. 

 Cygnus bewickii. 

 Nyroca marila *. 

 Glaucion clangula. 

 Claudia hy emails *. 

 CEdemia fusca. 

 Mergelhis albellus. 

 Eotatirus stellaris *. 

 Limnocryptes gallinula. 

 Tringa canutus. 

 Tringa maritima. 

 Calidris arenaria. 



Totanus ochropus. 

 Limosa lapponica. 

 Squatarola squatarola. 

 Arenaria interpret. 

 Larus glaucus. 

 Larus leucopterus. 

 Stercorarius pomarinus. 

 Alle atte. 

 Piiffinus gravis t- 

 Colymbus immer. 

 Podiceps griseigena. 

 Podiceps auritus *. 

 Podiceps nigricollis*. 



* Has. bred. 



f Also occasionally in summer. 



4. BIRDS OF PASSAGE. These birds are only found during 

 the spring and autumn migration periods, though 

 some exceptionally pass the winter and others the 

 summer and breed in the British Islands. They number 

 30, viz. : 



Carduelis carduelis. 

 Emberiza hortulana. 

 Motacilla alba* . 

 Motacillaf. thunbergi. 

 Anthus p. littoralis. 

 Sylvia nisoria. 

 Jiypolais icterina. 

 Phylloscopus t. eversmanni. 

 Phylloscopus c. abtetinus. 

 Phylloscopus tristis. 

 Phylloscopus superciliosus. 

 Cyanosylvia suecica. 

 (Enanthe ce. leucorrhoa. 

 Upupa epops *. 

 Pernis apivorus *. 



Platalea leucorodia t. 

 Plegadis falcinellus. 

 Phalaropus fulicarius. 

 Gallinago media. 

 Tringa minuta. 

 Tringa temmincki. 

 Tringa ferruginea. 

 Machetes pugnax * . 

 Totanus fuscus. 

 Totanus glareola * . 

 Limosa limosa t- 

 Recurvirostra avocetta f. 

 Larus fuscus. 

 Hydrochelidon nigra f. 

 Stercorarius longicaudus. 



Has bred. 



f Formerly bred. 



