From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
14 Aug 1872
Source of text:
DAR 88: 177–8
Summary:
Hostility of birds toward others with same colour;
nuptial plumage.
Spiza cyanea and Spiza ciris.
Contributor:
Darwin Correspondence Project
Hostility of birds toward others with same colour;
nuptial plumage.
Spiza cyanea and Spiza ciris.