358 THE BIRDS OF THE BRITISH ISLES. 



says they are yellow. Many writers state that the total length 

 is 33 or 34 inches, but this bird was over 37 inches, and 

 probably the shorter lengths are taken from skins, which are 

 unreliable through shrinkage. Length, about 37 ins. Wing, 

 19 ins. Tarsus, 2*25 ins. 



