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DNA in dirt reveals how wildlife survives city life

# A new Yale study has revealed how urban wildlife can adapt to city life by analysing DNA from soil in 21 Detroit parks. Researchers detected 23 mammal species and found seasonal shifts, with animals clustering more in winter and dispersing in summer. Larger parks supported greater biodiversity, while human presence shaped species patterns. The study highlights the value of environmental DNA for tracking wildlife in cities. It recommends the expansion of green spaces and wildlife corridors to help protect urban ecosystems.