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The Large-billed Guillemot


The Large-billed Guillemot


The definitive website on wildbirds & nature



Birds of America

By John James Audubon, F. R. SS. L. & E.

VOLUME VII.

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Family
Genus

THE LARGE-BILLED GUILLEMOT.
[Thick-billed Murre.]

URIA BRUNNICHII, Sabine.
[Uria lomvia.]

PLATE CCCCLXXII.--ADULT MALE.

I have never observed this bird on any part of the coast of our Middle Districts, and, although I was told that it not unfrequently occurred about the Bay of Boston, I failed in my endeavours to procure it there. The specimen from which my figure was made was sent to me in ice, along with several other rare birds, from Eastport in Maine. I received it quite fresh and in excellent plumage, on the 18th of February, 1833. It had been shot along with several other individuals of the same species while searching for food in the waters of Pasmaquody Bay, which were then covered with broken ice. Its flight was described by Mr. CURTIS, who sent it to me, as similar to that of the Foolish Guillemot, with which it associated. No other information was transmitted, excepting that it dived and swam like the other species. I afterwards sent the skin to my friend the Rev. JOHN BACHMAN, in whose collection it remains.

No individuals of this species were observed by my party on our way to Labrador; and as the Foolish Guillemot was abundant on the coast of that country, I concluded that the Thick-billed Guillemots which visit our eastern seas in winter, set out for the far north at an earlier period than the others. I am indebted to Mr. HEWITSON of Newcastle, author of the "British Oology," for a description of an egg of this bird, which is in the valuable collection of the Messrs. HANCOCKS, who procured it from Greenland. It measures 3 1/8 inches in length, by 2 1/8 at its broadest part, and is of a bluish-green colour, streaked and spotted with black or very dark umber.

Male, 18 1/2, 30.

Occasionally procured in Maine. Not very rare off the coast of Nova Scotia. Breeds from Hudson's Bay to the Arctic Seas.

URIA BRUNNICHII, Bonap. Syn., p. 424.
URIA BRUNNICHII, Brunnich's Guillemot, Swains. and Rich. F. Bor. Amer.,vol. ii. p. 477.
LARGE-BILLED GUILLEMOT, Nutt. Man., vol. ii. p. 529.

LARGE-BILLED GUILLEMOT, Uria Brunnichii, Aud. Orn. Biog., vol. iii. p. 336.

Adult Male in winter.

Bill shorter than the head, stout, tapering, compressed, acute. Upper mandible with the dorsal line slightly curved, the ridge narrow, broader at the base, the sides sloping, the edges sharp and inflected, the tip a little decurved, with a slight notch. Nasal groove broad, feathered; nostrils at its lower edge, sub-basal, lateral, longitudinal, linear, pervious. Lower mandible with the angle medial, narrow, the dorsal line sloping upwards and straight, the back very narrow, the sides nearly flat, the edges sharp and inflected.

Head large, oblong, depressed, narrowed before. Eyes of moderate size. Neck short and thick. Body stout, rather depressed. Wings small. Feet short, placed far behind; the greater part of the tibia concealed, its lower portion bare; tarsus short, stout, compressed, anteriorly sharp, and covered with a double row of scutella, the sides with angular scales; toes of moderate length, the first wanting, the third longest, the fourth longer; than the second, all covered above with numerous scutella, webbed, the lateral ones with small margins; claws small, slightly arched, compressed, rather acute, that of the middle toe largest, with a dilated inner edge.

Plumage dense, very soft, blended; on the head very short. Wings rather short, narrow, acute; primary quills curved, tapering, the second longest, the first slightly shorter, the rest rapidly graduated; secondaries short, incurved, broad, rounded. Tail very short, rounded, of twelve narrow feathers.

Bill black. Iris dark brown. Feet dusky, tinged with red. The general colour of the plumage is greyish-black on the upper parts, those of the head tinged with brown. The sides of the head and neck, its fore part, the breast, abdomen, edges of the wings and the tips of the secondaries, white; the sides shaded with greyish-black; a line of the same behind the eye.

Length to end of tail 18 1/2 inches, to end of claws 21 1/2; extent of wings 30; wing from flexure 8; tail 2 1/2; bill along the ridge 1 2/12, along the edge of lower mandible 2; tarsus 1 4/12; middle toe 1 8/12, its claw 5/12. Weight 2 1/4 lbs.

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