FALCONID.K — TIII<: FALCON'S. 25l) 



Buteo pennsylvanicus (Wils). 



BBOAS-WINQED HAWK. 



Fitlco pcnnsylvamcus, Wils. Am. Oiii. VI, !i-j, pi. liv, f. 1, l.si-j. - Lahi. fli'ii. Hist. I, 

 203, 1S21. — .Vri). n. Am. |.l. .\ci, 18:il ; Orii. Miof?. I, Kil, Ksy]. _ Itos.u'. Ann. 

 Ljv. N. Y. 11, -M, VM; l.sis, J.. 1137, l.S;J-2. - Xi n. iMan. I, Kl,"), l«ya. — Tkmm. 

 I'l. C'dI. ()7, lS3li. JJkIco ii(iuisijlctiitii:i(.t, HonaI'. OIm. t'uv. lliy. An. ji. Xt, 183(1 ; 

 Eur. & N. Am. U. p. 3, 1838 ; L'oii.s|i. Av. p. lit, 1850. — Aid. Syn. p. 7, lS3!t. — 

 BUEW. (Wii.s). Am. Orii. Syn. j). 018, 180'.'. -- Cisay, Gi'n. s)!. 8, 1844 ; List I!, lirit. 

 Mas. (I. 10, 1844. ~ Cas.s. II. Cal. & Tex. Syn. p. lOU, lS.'i4. — SiniiKl.. Oiii. Syn. I, 

 ■ii, 1S.-.5. - L)i; Kav, /.h)I. X. Y. II, 11, pi. v, li},'. 11, ls44. — t'Ass. Itinls n! Am. 

 2!t, 18r)8. — (!i;ay, Hand List, 1$. 7, 18(i!l. — iJitlis.smt, Iljis, IStli"), 3-.'.'. ('IV.\a.s). Ashtr 

 peitH.iijlriniii-ti.1, Vvv. niif. An. (id. 2), I, 332, 182U. — .Fa.mk.s. (Wii.n.) Oni. 1,(15. 

 Falco liilMiiiu^, \Vil.s. Am. Oiii. (lust cd.) VI, 92, pi. liv, f. 1, 1812. A. I lali.mmiis, 

 Ja1!I). (Wii.s.) Am. Oiii. II, 294. Fk/co wilsi.ni, ItosAi'. Olw. Wils. Xonv. .lonin. A(\ 

 Sc. N. Y. Ill, .'i48. J'dciliijili-niis irihoui, \\.\v\'. Moil. Kal. (.'out. (>in. p. 75, 185U. 

 SjKii-ciuti iilatijiilcrioi, Vikii.i,. Kir'. ilctli. Ill, 1273 (ipiot. Wils. i>l. liv, lig. 1), 1823. 



Rp. CiiAii. Adult. Upper .siirfiicf tlark uinboi-lirowii, llio foatlicrs jrradiially paler 

 toward t'dj,'es ; on the hack, the fuatiiors iiioro iiiiirorinlv dusky, caiisiiii; a prcvaiiMit 

 lilackisli ap]>oaraiii'u. Iliiinp and iippeM- tail-coverts liiaekisii vaiidykc-lirowii ; llie latter 

 tipped witli pure white, and with u concealed liar of same, about the iiiiddie of each 

 leather. Tail dull black, with an oliscuru terminal band of dull brown, this fadiuf,' ter- 

 minally into whitish ; across the middle of the tail a broad band of didl ligiit umber 

 (in .some individuals approachiiijr ihdl white) about J of an inch in widtii ; about as far 

 anterior to the main band as tliis is from the tip is another mueii narrower and more 

 obscure band of the same color, crossinfi; Just beyond the ends of the coverts, or con- 

 cealed by them. Primaries nuilbrni brownish-lilack, faillnir on tei'iiilnal ed^'e into pale 

 brown. Head above, and broad but inconspicuous " inn-i,ielie," rumiiiij,' from beneath 

 the lore downward across the clu'ck, dull black ; the crown posteriorly, with the occiput 

 and nape, havinfr the dull blai'k much broken, caused by the lateral streaks of dull rufous 

 on all the feathers; this dull rufous tint pievails on the rest of the head and neck, as well 

 as the breast, leaving the lores and chin and lateral portion of frontlet alone whitish ; 

 throat streaked with blackish. Beneath dull lirownish-rufous ; that of the breast almost 

 nnvaried; medially, however, are roundi.sh spots of white on opposite webs, but these are 

 not condnent; posteriorly these spots become f,'radually more numerous and more trans- 

 verse, fonniiiy on the Hanks transverse bauds, almost continuous; on the tibiic the white 

 prevails, the rufous bars being more distant, and coiinccteil only by a brown shaft-line; 

 lower tail-coverts less numerous, transverse spots of dull rufous. Lining of the wing 

 oehraceons-white, with spar.se, rather small, irregularly deltoid sjjots of didl rulbus; imder 

 surface of the primaries unvaried white, as far as their eniargination, beyond which they 

 are black. Fourth quill longest; third a little shorter; .second intermediate l>etween fifth 

 and sixth; first about equal to the ninth. Female (extremes .'](), 9(iO, Brookline, Mass., 

 and ;}0,89,"), Mirador, Mexico ; the latter the larger.) Wing, 1 1.00 - 1 1 .IJO ; tail, 0.80 - 7.10 

 tarsus, 2.30 ; middle toe, 1.30. Male (32,300, Moose F.actory, Hudson's Bay Territory). 

 Wing, 10.50; tail, 0.30; tar.su.s, 2.30 ; middle toe, 1.20. 



Yoinuj male, second year ' (39,100, Remcdios, Cuba, June ; N. IL Bishop). Upper parts 

 similar to adult, but a reddish tint appreciably washing the edges of the interscapulars and 

 (less noticeably so) the .scapular.s. Bands on tail nearly as in adult ; but very near the 

 base is a fourth, very narrow and faintly defined, pale band, while the bases of all the 

 feathers are much mottled with white. Dull rufous of the breast not contimious, but in 



