"Rupicola" Quotes from Famous Books
 ... number of collateral points which require investigation, such as the relative numbers of the two sexes, and especially on polygamy. Can you aid me with respect to birds which have strongly marked secondary sexual characters, such as birds of paradise, humming-birds, the rupicola or rock-thrush, or any other such cases? Many gallinaceous birds certainly are polygamous. I suppose that birds may be known not to be polygamous if they are seen during the whole breeding season to associate in pairs, or if the male ...
— Alfred Russel Wallace: Letters and Reminiscences, Vol. 1 (of 2) • James Marchant |
