. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. ailiiiiMiiiv (ilii li'W jmlf liiiun'oiis Ifiulurn. In N". I'llT, \ViiMliiMj.'tiiii, D. ('., tlic wliilish ^my o| tlif liiwfi- iMirtH Ih Hlroiij;lv tiiijiiMl with (xlinux'dUx-riil'imM — witlioiit (Imilit iinTfly an Htain trim ri'irM;,'in"ini ilnv. Tlifii' is '" a ^li^'lit ranj;"' >>( varialinn in tin- 'ul' ilic lirowni-li tint^iiia, l-'i'it IJi-soiiiticiii, the while >\>. 1:«1, i:J7 : — " The individual variation in this s]H'cies is vi ly
. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. ailiiiiMiiiv (ilii li'W jmlf liiiun'oiis Ifiulurn. In N". I'llT, \ViiMliiMj.'tiiii, D. ('., tlic wliilish ^my o| tlif liiwfi- iMirtH Ih Hlroiij;lv tiiijiiMl with (xlinux'dUx-riil'imM — witlioiit (Imilit iinTfly an Htain trim ri'irM;,'in"ini ilnv. Tlifii' is '" a ^li^'lit ranj;"' >>( varialinn in tin- 'ul' ilic lirowni-li tint^iiia, l-'i'it IJi-soiiiticiii, the while >\>. 1:«1, i:J7 : — " The individual variation in this s]H'cies is vi ly ^;reat. .\ larj,'e majority havi- the onliiiary while tVonliil Kind and the under )>arls |>lentilully mottle I with l>lai k. In others the Maik j;raduallydecreases, until some spei i- iiiens do not sho'.v the least ti'aee of dark oh the alHln- ineu ; in sueh iuslauies the frontal white liand is usuall\ ])resent. The youiiK exhiiiil a dark lirowii IVontal liaml in plare ol' while, liut with more or less dark spol- on the alHlonien. in very hi;,'h pluiua;;e Ihe alnlouieu l>r eomes almost entirely lilark, only a few rusty-iohaed leal hers lieint; interspersed throuK'h tin' hlaek. The white nail on the liill is ;;ener,dly rrossecl liy one ol more |on;,'iluilinid stripes uf dark horn-eolor In sjiriii),', as ihe lireedin:^-seasoii approaches, tint hill hecomi's a dear waxy yellow. There is also variation in ni/.e amoii^' adults of this species. I have examined a iiumlier of specinn'us, which liy correct comparison were at luaxt iiiii/iiurtli smaller than the averaj,'i'." A hyhrid lietween .liinif iliimMI ,'uid lliriililii nriiiliiiliilis, from San Francisco (N'o. 4l7iM, Oct. -i'l, lH<i2 ; '•". (iKt'iiKit), shows an eipnil comliinatiou of the characters of the two species. Tin- bend has the white front of ,1. Unmliili and the white cheek-patch of /;. ihikkIiiihIi ; the Mack nl the lU'ck lij^htens {gradually into the jfrayish lirown of the iu;.'
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884
