THE BIRDS OF BRECONSHIRE. 25 
every living thing in the shape of a bird, 
uttering its harsh grating cry. It is one 
of our boldest birds in the breeding 
season, and seem during this time to 
lose every vestige of its shyness. Welsh, 
_Fronfraith syn byw. 
SONG THRUSH, Zurdus musicus. 
Very common. I think there are 
greater quantities of Thrushes this spring 
than I ever remember before. Welsh, 
¥ fron fratth. 
BLACKBIRD, Zurdus merula. 
Very common. They seem to stand 
the cold better than the Thrush. I have 
observed several more or less white, and 
of all the Thrush family this bird seems 
peculiarly susceptible to white markings 
in its plumage. 
In the year 1893 an undoubted Black- 
bird’s nest, which contained a bright 
entirely blue egg was brought to me, 
which I sent to Mr. Howard Saunders, 
who says in his excellent Manual of 
British Birds, that it is well known that 
the Blackbird and Song Thrush occasion- 
ally interbreed, and that these blue eggs 
