This family of birds includes Old World sparrows, three species of weavers, the Pale Rockfinch, and the Mountain Firetail.
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Sites 3
Female sparrows preferentially select males with larger black bibs. This article outlines how the examination of a collection of 1000 skins helped explain why this should be so.
New Zealand introduced bird, the House Sparrow.
Article from the Christian Science Monitor about the decline of House Sparrows.
(December 27, 2002)
New Zealand introduced bird, the House Sparrow.
Female sparrows preferentially select males with larger black bibs. This article outlines how the examination of a collection of 1000 skins helped explain why this should be so.
Article from the Christian Science Monitor about the decline of House Sparrows.
(December 27, 2002)
