. The North American Eagles and Their Economic Relations . s, is about 3 feet in length, 7 feetin expanse of wing, and sometimes weighs 12 pounds or more. Itis entirely dark brown in color, with pointed yellowish brown featherscovering the hind neck, whence the name golden eagle. Youngbirds are more blackish and have the base of the tail white, fromwhich they have been called ring-tailed eagles, a plumage retainedfor at least three years; but the species may always be distinguishedfrom the bald eagle, the only other eagle of common occurrence inthe United States, by the feathering of the legs,
. The North American Eagles and Their Economic Relations . s, is about 3 feet in length, 7 feetin expanse of wing, and sometimes weighs 12 pounds or more. Itis entirely dark brown in color, with pointed yellowish brown featherscovering the hind neck, whence the name golden eagle. Youngbirds are more blackish and have the base of the tail white, fromwhich they have been called ring-tailed eagles, a plumage retainedfor at least three years; but the species may always be distinguishedfrom the bald eagle, the only other eagle of common occurrence inthe United States, by the feathering of the legs, which in the goldeneagle extends quite down to the base of the toes. GENERAL HABITS. While it does net winter in the most northern parts of its range,the golden eagle is not, strictly speaking, migratory, for, being ableto endure the severest cold, its movements into regions not occupiedin summer are more in the nature of wanderings, induced doubtlessby search for food, and probably are seldom extensive. It can Bull. 27, Biological Survey, U S Plate Golden Eagle Aquila chrysaetosL(Drawn by R. EUdgwa]. i GOLDEN EAGLE. 21 scarcely be considered common anywhere in the eastern United Statesand in most sections is very rare, but in some parts of the West it isfairly abundant. The mountains and rocky hills are its chosen abode, whence it issues on its forays: and it is just as much at home in thedesert as in well-watered regions. It has a Btrong, well-sustained flight, and may often be seen soaring in circles at great height ahove the earth. It is usually wary, and is rather a solitary bird, seldomseen in more than pairs, though on some occasions it has beenobserved in small Hocks, even in the eastern United States. Itscry is a sharp, harsh scream of few notes, and is heard most oftenAiring the breeding season. So far as known it mates for life, or atleast for many years, though at the death of either of the pair, theother more or less promptly secures a new consort. In nature
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