. The birds of Illinois and Wisconsin . nd flanks;bill, usually over Maritime species — not recorded from Illinoisor Wisconsin. Uria troile. Murre. Similar to Uria troile, but has the head darker than the throat;size slightly larger; length, about ; wing, about ; bill,usually under No record for Illinois or Wisconsin, but hasbeen taken in Indiana, Michigan, etc. Uria lomvia. Briinnichs Murre. *For directions for measurement, see page 21. See page 281. ORDER LONGIPENNES. LONG-WINGED SWIMMERS. J^GERS, GULLS, TERNS, ETC. Family STERCORARIID^. The Skuas and Jaegers. Special Ch
. The birds of Illinois and Wisconsin . nd flanks;bill, usually over Maritime species — not recorded from Illinoisor Wisconsin. Uria troile. Murre. Similar to Uria troile, but has the head darker than the throat;size slightly larger; length, about ; wing, about ; bill,usually under No record for Illinois or Wisconsin, but hasbeen taken in Indiana, Michigan, etc. Uria lomvia. Briinnichs Murre. *For directions for measurement, see page 21. See page 281. ORDER LONGIPENNES. LONG-WINGED SWIMMERS. J^GERS, GULLS, TERNS, ETC. Family STERCORARIID^. The Skuas and Jaegers. Special Characters: Nostrils, separate and not tubular; bill,with cere; front toes, palmate (full webbed); hind toe, small, butalways present and without web; end of upper mandible (unguis),swollen and somewhat rounded; plumage, always dark, sometimessooty, softietimes barred with brown; tail, never white or gray;middle tail feathers, longest. The cere, a hard skin-like covering onbase of upper mandible, well distinguishes them from the
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidbirdsofillinoisw00cory
