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Why a mule is not a dumb-ass

Why a mule is not a dumb-ass

作者:饶惩  时间:2017-08-20 03:02:04  人气:

WHEN it comes to intelligence, mules have got it where it counts. These hybrids – bred from male donkeys and female horses – have turned out to be smarter than either of their parent species. Leanne Proops at the University of Sussex in Brighton, UK, tested the learning skills of horses, donkeys and mules in a bid to assess their cognitive abilities. Six of each animal were shown sets of two food buckets, each marked with a different symbol.In order to gain access to the food,