Milk comes from mammals. It's a kind of mammals thing. Even our government knows it. And yet, Chinese scientists have documented a spider's spider that provides nutrients to their young people with drops of fluid in the body. This is the only feed for the cane while they start feeding, and even then they drink it until they get a bit mature. Results are shown Science.
Crayfish and pigeon also provide young people with a substance labeled "milk" because it comes from their bodies and provides young people with an exclusive source of nutrients. These chicken nurses took the substance to a bag of germs where their embryos evolved.
Ganamean parents-mothers and fathers – both produce and milk plant milk in their first days of life, until children can digest real food. Crop milk consists of nutrient-filled cells cut into flakes from mother bird cultures under the neck.
Toxeus magnus Here are the jump spiders studied and they look like ants. Their childcare method is also different from the two examples mentioned above. They have a specialized body that makes the milk that researchers believe have been made from unreliable eggs that are being destroyed by offspring.
These spiders also live in small, concise families, such as nests where mom cares for children, even when they reach maturity. Over time, young people engage in animal feed, but continue to return home, making them even more mammals.
So it's definitely not nutritious, but these researchers think it's "functional and behaviorally comparable to lactation." It also serves a similar evolutionary need: to compensate for inaccurate food access and keep young people in the nest for as long as possible to protect them from predators.
The spider's sperm has a protein content of 123.9 mg / ml, four times that of cow's milk. This is not vegan.
Science, 2018. DOI: 10.1126 / science.aat3692 (About DOI).