2 BRITISH BIRDS’ EGGS. 
leaves ;” that they are, moreover, lined with roots, straw, 
dry grass, and wool. 
The eggs, owing chiefly to the difficulty of obtaining 
them, are much valued by collectors, and command a 
tolerably high price in the market; they vary from a type 
blotched not unlike that of the Common Buzzard, as repre- 
sented on my Plate, to a nearly pure white. 
The legs of this species are feathered to the toes, and 
these have each only three scales. (See J. HE. Harting, 
‘ Zoologist,’ 1867). 
Eagles are remarkable for longevity and their capacity 
for long abstinence from food: an instance of one enduring 
hunger for three weeks is recorded by Pennant. 
