48 BLACK-HEADED BIRDS. 



REED -WARBLER — 5 inches; in form, general colour, 

 habits, and note similar to the Sedge-Warbler, but lacks 

 the heavy white eyebrow, and ita.song is more even and 

 subdued. 



NOTES TO 'BLACK-HEADED BIRDS.' 



BLACK-HEADED GULL.— This bird, being entirely white ex- 

 cept the gray upper parts and, in summer, the black head, has been 

 described under ' WHITE SeA-Birds. ' 



TERNS. — White sea-birds with long, slender wings and tail, the 

 latter deeply forked, and with gray upper parts and black caps ; 

 but because in other respects white, described under 'White 

 Sea-Birds.' 



STONECHAT. — A 5J-inch perching bird of the gorse common, 

 with head and throat entirely black and separated from the largely 

 black upper parts and wings by a white patch on the sides of the 

 neck ; but because of the bright-chestnut Ijreast, described under 

 ' Ruddy- Breasted Birds.' 



