British scientists have found that Eurasian jays are able to resist temptation and wait for tastier treats, which they say is a sign of intelligence.

英国科学家发现，欧亚松鸦能够抵制诱惑，等待更美味的食物，他们说这是聪明的表现。

Upon closer examination the researchers found that 14 species of bird lived in both regions, including the barn swallow, great tit, great reed warbler, buzzard and Eurasian jay.

经过进一步调查，研究人员发现两地有14种相同的鸟类，包括家燕、大山雀、大苇莺、鵟、松鸦。