. How to sex cage birds (British and foreign) . rencein the plumage has been re-corded. Great Tit (Parus major). The female is duller in colour-ing than the male, the longi-tudinal black ventral stripedecidedly narrower. The Coal-Tit (Parus ater). The female is not so brightlycoloured as the male, and thewhite patches on face and napeare suffused with yellow. The Marsh-Tit (Parus palustris). LONG-TAILED TIT. The sexes scarcely differ inplumage; perhaps the black cap is slightly duller, but even thismay be a matter of age rather than s< The Blue-Tit (Parus cceruleus). The hen is duller in co
. How to sex cage birds (British and foreign) . rencein the plumage has been re-corded. Great Tit (Parus major). The female is duller in colour-ing than the male, the longi-tudinal black ventral stripedecidedly narrower. The Coal-Tit (Parus ater). The female is not so brightlycoloured as the male, and thewhite patches on face and napeare suffused with yellow. The Marsh-Tit (Parus palustris). LONG-TAILED TIT. The sexes scarcely differ inplumage; perhaps the black cap is slightly duller, but even thismay be a matter of age rather than s< The Blue-Tit (Parus cceruleus). The hen is duller in colouringthan the cock, with somewhat ashycheeks, and the yellow of the underparts suffused with olive-greenish. The Crested Tit (Parus cristatus). i The crest is shorter and the blackthroat-patch more restricted in thehen bird. The Nuthatches (Sittidas). In these birds the bill of the adulthen is longer and more slender thanthat of the cock ; the lower marginof the bill is straighter, not bentabruptly upwards from the middleas in the cock TIIK GREAT TIT. Tits, Wagtails, Flycatchers, Swallows, Etc. 23 The Common Nuthatch(Sitta ccesia). The colouring is very similarin the sexes, but the female isa trifle duller than the male,with the chestnut on the flanksless pronounced. The Wrens (Troglodytidce). When adult, the hen is rathersmaller than the cock; the billvaries enormously with age,and seems to afford no constantcharacter for distinguishing thesexes. The Common Wren{Troglodytes parvulus). The female is rather dullerthan the male, and has paler legs, but there does not appearto be any other reliable difference in plumage or colour.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectcageb, booksubjectsex
