OF BRITISH BIRDS 75 



spring migration. Probably very few of them which reach our 

 shores pass on to Scotland or Ireland. 



The total number of Accidental Visitors may be estimated at 

 135 ; of which 126 have been recorded from England, fifty-eight 

 from Scotland, and fifty-eight from Ireland. 



Of the species of British Birds whose appearance in our Islands 

 is so irregular or so seldom that they can only be regarded as 

 Accidental Visitors, thirty-five have been recorded from all three 

 kingdoms : 



Falco vespertinus. 

 Falco gyrfalco islandus. 

 Falco gyrfalco candicans. 

 Circus ceruginosus. 

 Scops scops. 

 Merops apiaster. 

 Pastor roseus. 

 Lanius major. 

 Geocichla varia. 

 Phylloscopus superciliosus. 

 Sylvia nisoria. 

 Eniberiza lapponica. 

 Emberiza hortulana. 

 Ectopistcs migratoriiJLS. 

 Syrrhaptes paradoxus. 

 Botaurus lentiginosus. 

 Platalea leucorodia. 

 Ardea purpurea. 

 Ardea comata. 

 Ciconia alba. 

 Tringa pectoralis. 

 Tringa rufescens. 

 Numenius borealis. 

 Himantopus candidus. 

 G-lareola pratincola. 

 Larus Philadelphia. 

 Larus leucopterus. 

 Bernida ruficollis. 

 Tadorna rutila. 

 Fuligula perspicillala. 

 Fulifjula albeola. 



