Migratio7t in the Northe^m Shires. 285 



gregarious, is upon the lowlands. The Moorhen, 

 however, is about to pair; most other of our familiar 

 birds are still displaying characteristics of their 

 winter life. 



In February, however, there is a marked change 

 in the habits of many birds, and the few signs of 

 approaching spring rapidly develop themselves. 

 Perhaps these indications are most eloquently ex- 

 pressed in song. During this month the Blackbird 

 regains his voice, irregularly it is true, but the fact 

 is obvious nevertheless. The Song Thrush has now 

 fully regained its matchless varied song; the Sky- 

 lark sings more frequently, and our winter singers 

 are in constant voice. Many Kestrels return to 

 their accustomed summer haunts this month; and 

 the Missel-thrush pairs at the beginning of it. Many 

 Robins also pair; and the Titmice may be heard 

 utterinof their love- notes amons^st the trees. Star- 

 lings are now in pairs; and odd pairs of Sparrows 

 actually commence nesting. March brings still 

 more important changes among the birds, and by 

 many of their ways and movements we read the 

 unerring sign of spring's approach. Among other 

 things may be mentioned the nest-building of the 

 Rooks, the resumption of song by the Chaffinch 

 and the Yellow Bunting, the flocks of both species 

 now disbanding. Avine song is everywhere on the 

 increase; the Blackbird is getting into finer and 



