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Soy milk, almonds, oatmeal. Spider's milk?



Spider in doubt without being young.
Magnify / Spider in doubt without being young.

Milk comes from mammals. It is a typical thing for mammals. Even our government knows that. Yet, Chinese scientists have documented bouncing spiders that give their babies nutrient-rich drops from their chin to their mother's body. It's the only food for spiderlings until they start feeding, and even if they are still drinking until they get a little more mature. The results are shown in the table Science.

Cocks and doves also give their young a substance described as "milk" because it comes from the body and provides the exclusive source of nutrition to the young. Cuddly moms store this substance in a bag where embryos develop.

Donate parents – mothers and fathers – produce crop milk and feed it to cats in the first few days of life until the children can eat real food. Fetal milk consists of nutrients filled with cells dehydrated in flakes from the inside of the crops of the mother birds that are under the throat.

Toxeus magnus there are bouncing spiders here and they look like ants. Their childcare method seems to be different from the two examples above. They have a specialized body that produces milk that researchers suggest they are made of inanimate eggs that are transformed into food for offspring who survive.

These spiders also live in a small, nuclear family nest, where the mother takes care of the children even after maturity. For some time, a young business tries to feed, but still returns home, which is even more like mammals.

So it's definitely not painting, but these scientists think it "compares functional and behavior with lactation." It also serves similar evolutionary needs: it compensates for insecure access to food and keeps youngsters in the nest for as long as the predators.

Jumping spider milk has a protein content of 123.9 mg / ml, four times higher than that of cows' milk. Vegan is not.

Science, 2018. DOI: 10.1126 / science.aat3692 (About DOI).


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