Eurasian jays shun reward for tastier delayed treat, study finds
by Nicola Davis Science correspondent from Science | The Guardian on (#659NA)
Birds showing most self-control score higher in cognitive tests, suggesting they are more intelligent
The old saying states a bird in the hand is worth two in the bush but it appears Eurasian jays may beg to differ: researchers have found the corvids shun an immediate reward for a tastier, but delayed, treat.
What's more, the team found the birds that showed the most self-control scored higher on a variety of cognitive tests, suggesting they were more intelligent.
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