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The Descent of Man

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(Emberiza) resemble one another, and likewise<br />

the adult state <strong>of</strong> the common bunting, E. miliaria.<br />

In almost the whole large group <strong>of</strong> thrushes<br />

the young have their breasts spotted—a character<br />

which is retained throughout life by many<br />

species, but is quite lost by others, as by the<br />

Turdus migratorius. So again with many thrushes,<br />

the feathers on the back are mottled before<br />

they are moulted for the first time, and this<br />

character is retained for life by certain eastern<br />

species. <strong>The</strong> young <strong>of</strong> many species <strong>of</strong> shrikes<br />

(Lanius), <strong>of</strong> some woodpeckers, and <strong>of</strong> an Indian<br />

pigeon (Chalcophaps indicus), are transversely<br />

striped on the under surface; and certain<br />

allied species or whole genera are similarly<br />

marked when adult. In some closely-allied and<br />

resplendent Indian cuckoos (Chrysococcyx), the<br />

mature species differ considerably from one<br />

another in colour, but the young cannot be distinguished.<br />

<strong>The</strong> young <strong>of</strong> an Indian goose (Sarkidiornis<br />

melanonotus) closely resemble in<br />

plumage an allied genus, Dendrocygna, when

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