Chaffinch – forty years ago in my nature notebooks
Male chaffinches are such beautiful birds, and I’m not the only one who thinks so; female Chaffinches agree with me. In fact, female Chaffinches are so keen on brightly coloured male Chaffinches that their sexual selection has led to the average male becoming brighter and brighter. It takes a lot … Continue reading Chaffinch – forty years ago in my nature notebooks
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