Researchers' study of the horned-lark carcass supports evidence that the mammoth steppe, a cold and dry biome that covered northern Europe and Asia, divided into three types of biological environments at the end of the last ice age.
The frozen carcass of a horned lark discovered in northeast Siberia by fossil ivory hunters could help scientists better understand how the ecosystem evolved at the end of the last ice age, new research suggests.
Scientists said they extracted DNA from the “exceptionally well-preserved” ancient bird carcass that they determined was roughly 46,000 years old, according to anpublished Friday in the journal Communications Biology. Researchers at the Centre for Palaeogenetics at Stockholm University and the Swedish Museum of Natural History studied the female bird after it was found in 2018 in a permafrost tunnel in Siberia’s Belaya Gora area.
The discovery offers new information about how the mammoth steppe, a cold and dry biome that covered northern Europe and Asia, divided into three types of biological environments when the ice age ended about 11,700 years ago. The steppe, which was home to now-extinct species including the woolly mammoth and the woolly rhinoceros, separated into tundra, taiga — coniferous forest — and steppe.
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