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From G. R. Gray   8 April 1868

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Summary

Difference between sexes of Ibis rubra; change in plumage.

Author:  George Robert Gray
Addressee:  Charles Robert Darwin
Date:  8 Apr 1868
Classmark:  DAR 84.1: 92
Letter no:  DCP-LETT-6105

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  • 1868 Dear Sir I must trouble you with a line to say that the difference between the sexes of the Ibis rubra is, that the female is smaller than the male. — It is stated, that the bird is three year old, before it assumes the Scarlet plumage. Yours faithfully | G.  R.  Gray C.  Darwin, …
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1868 (1)