Study challenges extinction theory, suggesting short-faced kangaroos' diet was diverse, implicating human hunters over climate change. (89 characters)

A new study in Science challenges the belief that short-faced kangaroos went extinct due to a limited diet during the last ice age. By analyzing fossil teeth, researchers found these kangaroos ate both leaves and grass, making them adaptable to changing environments. This suggests their extinction around 40,000 years ago may be more linked to human hunters than climate change.

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