. A practical handbook of British birds . tautonymy A. alle). Smallest European form of family, about as large as Dabchick,bill short, shorter than head, upper mandible broader than high atbase, culmen strongly arched. Nostrils round, free in front offeathering. Feathering on lower mandible forward to 4 to 5 tip. Rectrices 12. Tarsus little shorter than middle toe withclaw. 1 species. ALLE ALLE 471. Alle alle (L.)—THE LITTLE AUK. Alca Alle Linnaeus, Syst. Nat., ed. x, i, p. 131 (1758—Habitat inEuropae, Amerieae arcticae oceano. Restricted typical locality Green-land, from first quotati


. A practical handbook of British birds . tautonymy A. alle). Smallest European form of family, about as large as Dabchick,bill short, shorter than head, upper mandible broader than high atbase, culmen strongly arched. Nostrils round, free in front offeathering. Feathering on lower mandible forward to 4 to 5 tip. Rectrices 12. Tarsus little shorter than middle toe withclaw. 1 species. ALLE ALLE 471. Alle alle (L.)—THE LITTLE AUK. Alca Alle Linnaeus, Syst. Nat., ed. x, i, p. 131 (1758—Habitat inEuropae, Amerieae arcticae oceano. Restricted typical locality Green-land, from first quotation and figure quoted Columba groenlandica,Albin, pi. 85).Mergulus alle_(Linnaeus), Yarrell, iv, p. 85 ; Saunders, p. 705. Description.—Adult male and female. Winter.—Upper-partsglossy-black, narrow band at back of neck speckled white (varyingand often in adults not continued right across, feathers have vary-ing amount of white subterminally and black tips) ; scapularsedged white forming narrow white lines ; small white spot above. A PRACTICAL HANDBOOK OF BRITISH BIRDS. eye ; apex of chin, lores, under eye and anterior part of ear-covertsbrown-black ; rest of sides of head and neck white more or lessfreckled brown-black ; under-parts white, but lower-throat andupper-breast more or less mottled brown, only tips of feathers beingwhite ; flanks streaked black, feathers having most of inner webblack ; axillaries brown ; under wing-coverts pale brown, usuallymore or less mottled dull white ; tail-feathers black, outermost usually, and occasionally otherfeathers, with white edgingvarying in size at tip, butsometimes without ; prima-ries with brown-black outerwebs and tips and brown(pale at base) inner webs ;J secondaries with brown-black The Little Auk (Alle alle). Adult, winter. Outer Webs, white tips and pale brown inner webs ; allwing-coverts glossy-black as upper-parts. This plumage is ac-quired by complete moult apparently but no moult-ing examples available. S


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirds, bookyear1920