. Birds of Massachusetts and other New England states. Birds; Birds. ARCTIC HORNED OWL 229 Bubo virginianus subarcticus Hoy. Arctic Horned Owl. Description. — Similar to Great Horned Owl in size and shape. Adults {sexes alike): Above, white or very pale in ground color, with markings similar to those of Great Horned Owl, but much paler and more restricted. Below, white with dark markings comparatively few and sometimes obsolete; legs and feet white or very pale buffy. Measurements and Molts. — Similar to those of Great Horned Owl. Field Marks. — Size and shape of Great Horned Owl but much pale
. Birds of Massachusetts and other New England states. Birds; Birds. ARCTIC HORNED OWL 229 Bubo virginianus subarcticus Hoy. Arctic Horned Owl. Description. — Similar to Great Horned Owl in size and shape. Adults {sexes alike): Above, white or very pale in ground color, with markings similar to those of Great Horned Owl, but much paler and more restricted. Below, white with dark markings comparatively few and sometimes obsolete; legs and feet white or very pale buffy. Measurements and Molts. — Similar to those of Great Horned Owl. Field Marks. — Size and shape of Great Horned Owl but much paler; typical specimens almost as white as some Snowy Owls. Voice. — Similar to that of Great Horned Owl. Breeding. — Chiefly in coniferous forests. Nest: Us- ually in coniferous tree, sometimes in deciduous tree or on a cliff. Eggs: Indistinguishable from those of Horned Owl. Dates: April 1 to 22, southern Mackenzie. Incubation: No details. Range. — Chiefly north central Canada. Breeds prob- ably north to tree limit from the Mackenzie Valley and west coast of Hudson Bay south to northern Alberta, southwestern Saskatchewan, central Manitoba and northern Ontario; south in winter to Idaho, Nebraska, Minnesota, Wisconsin, northern Illinois, southern Ontario, New York and New England. Distribution in New England. — Rare, irregular strag- gler in winter; probably not so exceedingly rare as the records indicate. Records: Maine: Brownfield, 1886, bird now in collection of the Portland Society of Natural History.^ Port- land, Dec. 6, 1869, presented alive to Portland Society of Natural History, said to have been taken in Maine. Recorded by A. H. Norton, under name B. v. arcticus (Proc. Portland Society of Natural History, Vol. II, 1897, p. 103) and very likely is B. v. ;^ Massachusetts: Waltham, November 30, 1867, specimen taken by C. J. Maynard and prepared for Museum of Comparative Zoology,' now in collection of Boston Society of Natural History; Cambridge (
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Keywords: ., bookauthorforb, bookcentury1900, bookdecade1920, booksubjectbirds
