N a small Eurasian weaverbird, Passer domesticus, now established in North America and Australia. It has a brown streaked plumage with grey underparts 家雀 (Also called (US) English sparrow)
Another experiment showed that house sparrows consumed less red food after they observed others eating red food that was treated so as to be noxious.
另一项实验表明，家养麻雀在观察到其他麻雀吃红色的食物以致有毒后，会吃更少的红色食物。
One day, two house sparrows sat on a tree and chatted.
有一天，两只麻雀坐在一棵树上吹牛。
"Tweet tweet! Tweet tweet!" Early in the morning, sparrows were sitting down in front of the hen house and chattering.
“叽叽！叽叽！”清晨，麻雀们坐在鸡舍前面，喋喋不休地说。
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