. British birds . ame of ridibundus. To my ear it is likethe guttural and extravagant laughter of the negro, rather thanthat of the white man. Besides the six species described, there are six others, belongingto the sub-family LarinsB (true gulls), which figure in the books asBritish species. One of these (the second on the list) is perhaps aregular visitor. Ivory gull {Fagophila ehurnea).—A circumpolar species; occa-sionally straggles to the British coasts. Glaucous gull {Laru8 glaucus).—Circumpolar in its range; awinter visitor to the northern parts of the United Kingdom. Iceland gull (L. le


. British birds . ame of ridibundus. To my ear it is likethe guttural and extravagant laughter of the negro, rather thanthat of the white man. Besides the six species described, there are six others, belongingto the sub-family LarinsB (true gulls), which figure in the books asBritish species. One of these (the second on the list) is perhaps aregular visitor. Ivory gull {Fagophila ehurnea).—A circumpolar species; occa-sionally straggles to the British coasts. Glaucous gull {Laru8 glaucus).—Circumpolar in its range; awinter visitor to the northern parts of the United Kingdom. Iceland gull (L. leucopterua).—A rare winter visitor (to thenorth) from the arctic regions. 830 BBITISH BIBDS Great black-headed gull {L. icJithyaetus).—A single specimen ofthis southern species was obtained many years ago in this country. Little gull (L. minutus).—An irregular visitor from continentalEurope. Sabines gull {Xema sabinii).—A rare straggler from NorthAmerica. Common or Great Skua. Stercorarius ff/. Fia. 111.—Great Skua. ^ natural size. Upper parts mottled brown; shafts of the quills and tail-featherswhite; imder parts rufous-brown; bill, legs, and feet , twenty-five inches. Of skuas there are but six species, two of which inhabit thesouthern hemisphere, and breed on the confines of the antarcticregions. The others belong to the northern half of the globe, andrange in summer to the arctic regions. These four are all claimedas members of the British avifauna, but only two species need be fullydescribed in this work. The skuas are gull-like birds, very strongon the wing, and swift flyers; and, like the gulls, they have a varietyof feeding-habits, and are both the vultures and hawks of the sea. COMMON OR GEE AT SKUA 831 In the skuas there is more of the hawk and not so much of thovulture. Their predatory habits, extreme violence in attack, andreadiness to take and destroy their feathered fellow-creatures andtoilers of the deep when the occasi


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Keywords: ., bookauthorhudsonwh, bookcentury1900, bookdecade1920, bookyear1921