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From:
Charles Robert Darwin
To:
Alfred Newton
Date:
4 Mar [1867]
Source of text:
DAR 185: 89
Summary:

Thanks for information about the dotterel.

CD had ascertained by dissection that the female of the carrion-hawk of the Falkland Islands is very much brighter coloured than the male. Has inquired about its nidification. Mentions other instances of female birds that are brighter and more beautiful than the males and suggests causes for this anomaly.

Contributor:
Darwin Correspondence Project
Text Online
From:
Alfred Russel Wallace
To:
Alfred Newton
Date:
10 March 1867
Source of text:
Cambridge University Library: Add. 9839/1W/82
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project