She has not shown the same caution in the case of the crow, because the crow feeds on dead flesh, or on grubs and beetles, or fruit and grain, that do not need to be approached stealthily.

• 大自然不会把这样的警示给予乌鸦，因为它们以腐肉、幼虫、甲虫，或者水果和谷物为食，无需暗中逼近猎物。