Assertion: tawny owl's prey | /r/HasProperty | non-mammalian
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text: In Finland, food niche breadth for Ural owls overlapped about 73% with the tawny owl but the mean prey size was more than twice as much for the Ural owl, 38.4 g (1.35 oz) for tawny vs 78.1 g (2.75 oz) for Ural, and the tawny owl was recorded to take non-mammalian prey significantly more so than Ural owls.