Lactation-like feeding is known elsewhere in the animal kingdom—pigeons and flamingos produce something called “crop milk” from a gland in their neck. However, the intensity and duration of maternal care observed in the spider species is considered highly unusual.
在动物王国的其他地方也有很多类似泌乳喂养的行为——鸽子和火烈鸟就从它们脖子上的腺体中分泌一种叫做“鸽乳”的东西。然而，人们认为，在蜘蛛这一物种身上观察到的母蛛亲代抚育行为的密集程度和持续时间是极不寻常的。
