The female knot-tying weaverbird will refuse to mate with a male who has built a shoddy nest.If spurned,the male must take the nest apart and completely rebuild it in order to win the affections of the female.

• 会打结的雌织巢鸟不肯同造窝马马虎虎的雄鸟交配，结果雄鸟被拒绝，它必须将巢拆掉重新造一个，以赢得雌鸟的爱情。