Birds. 815 



The Raven, Corvus Corax. Lives on the wooded mountains of the 

 banks of the Meuse. Very seldom seen elsewhere. Gregarious. 



The Rook, Corvus frugilegus. Very common. Some remain all 

 the year round, but the greater number are migratory. Vast flocks 

 are seen every year, during the month of October, flying in a south- 

 westerly direction. 



The Goldfinch, Carduelis elegans. Congregates in autumn. 



The Linnet, Linaria Cannabina. Only nestles on the mountain- 

 ous banks of the Ourthe and Meuse. It is found in the fields of the 

 whole country in autumn and the beginning of winter. 



The Chaffinch, Fringilla Coelebs. Very common. Immense flocks 

 pass in March and November. 



The Greenfinch, Coccothraustes Chloris. Flocks in winter : only 

 leaves the country when the season is uncommonly cold. 



The Hawfinch, Coccothraustes vulgaris. Migrates in spring and 

 September, but pairs and small flocks are seen all through the winter. 

 Only nestles in the wildest parts of the country. 



The Bullfinch, Pyrrhula vulgaris. Nestles in extensive forests 

 and wooded rocks, small flocks migrate in autumn and winter. 



The mountain Sparrow, Pyrgita montana. Common : congregates 

 in winter. 



The common Sparrow, Pyrgita domestica. Too common : gregari- 

 ous in winter. 



The Yellow-hammer, Emberiza citrinella. Common : forms large 

 flocks in winter. 



The Skylark, Alauda arvensis. Immense flocks pass during the 

 month of October. 



The grey Wagtail, Mota cilia Boarula. In winter this bird is seen 

 near unfrozen springs : it nestles in rocky river-banks. 



The Dipper, Cinclus aquaticus. Scarce and very local. Found 

 all the year round on the banks of some rapids in the Ardennes. 



The Blackbird, Turdus Merula. All the year round in woods and 

 gardens: very common at its regular passage in March and October. 



The Hedge-sparrow, Accentor modular is. Common. This bird's 

 nest is the one most generally appropriated by the cuckoo, {Cuculus 

 canorus). 



The Redbreast, Ruticilla rubecula. Common. Numbers of these 

 birds pass at the same time as the thrushes in autumn. 



The long-tailed Tit, Mecistura caudata. Lives in families of from 

 twelve to twenty birds ; haunts the pine and larch in preference to 

 other trees. 



