Any of various small Old World parrots, especially of the genus Agapornis, often kept as cage birds and noted for the apparent affection between mates.

• 相思鸟，情鸟一种东半球的小鹦鹉，尤指属于小鹦鹉属的一种，经常养在鸟笼里，以雌雄间恩爱闻名