. Diseases and enemies of poultry . clothing. Upon skinning the bird I found its cropto be full of the flesh of the bird it was eating when I flushed •Contributions to the Natural History of Alaska, results ofInvestigations made chiefly in the Yukon district and theAleutian Islands: conducted under auspices of the UnitedStates Signal !-ervlce. extending from May, 1874, to August,1881, by L,, M. Turner. 176 it. I am under the impression that the Goshawk is not ableto fly with the weight of the Ptarmigan in its claws. It isa resident of the intfior and comes to the coast quite earlyin spring. Th
. Diseases and enemies of poultry . clothing. Upon skinning the bird I found its cropto be full of the flesh of the bird it was eating when I flushed •Contributions to the Natural History of Alaska, results ofInvestigations made chiefly in the Yukon district and theAleutian Islands: conducted under auspices of the UnitedStates Signal !-ervlce. extending from May, 1874, to August,1881, by L,, M. Turner. 176 it. I am under the impression that the Goshawk is not ableto fly with the weight of the Ptarmigan in its claws. It isa resident of the intfior and comes to the coast quite earlyin spring. The Goshawk can fly readily with an adult RuffedGrouse or Pheasant in its grasp. Last November, oneof my friends when hunting grouse, saw a large birdtiy with great rapidity from a clump of shrubberywhere he had gone to look for a Pheasant which hehad a few minutes before flushed. He shot and killedthe bird, which proved to be an adult female Goshawkand on going to pick it up he was surprised to find ithad in its claws a RED TAILED HAWK. 17? liED-TAlLED boiealis. DESCRIPTION. The adult is easily recognized by its red tail. The tails n£young birds are visually ashy-brown, with about ten darkerbands. Tail in both old and young is generally tipped withwhite. Breast ot adult mostly spotted or marked with reddishbrown; in the young, breast is pure white enclosed bynumerous dark markings. Length of male, 19 to 22 inches;extent of wings, 41 to 47 inches. Female, length, 22 to 24inches; extent, 51 to 55 inches. From a careful examination ofover one hundred of these hawks, I have found that they,like other of the raptores. not only vary greatly in the mark-ings of their plumage, but also show marked differences inthe color of the irides. The iris of the adult, though usuallybrown, is sometimes both brown and yellowish. In immaturebirds the iris is commonly straw color, but sometimes it isnearly white, and occasionally, though rarely, is brown; inother specimens I
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