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A bird discovered in northeastern Siberia died during the last Ice Age and is providing a crucial glimpse into evolution and the effects of climate change. The horned lark (Eremophila alpestris), also known as the shore lark in Europe, is a small songbird ... [+] that breeds across the northern hemisphere. It has 42 formally recognized subspecies that are divided into in six different clades, each of which could warrant reclassification into distinct species clusters. (Credit: Andy Reago & Chrissy McClarren / CC BY 2.0) Andy Reago & Chrissy McClarren via a Creative Commons license. An international team of scientists learned that a bird discovered in the Siberian permafrost died at least 46... Full story

26 February