Axolotls have had to adapt their ways of transportation because of their aquatic life. By a process called neoteny, the inability to metamorphosize from larva to an adult, the Axolotl is able to keep its larval tail. Incredibly, an Axolotl can grow back lost limbs in only a few weeks. It can even regenerate its lungs, heart, spinal cord and parts of its brain! You can cut the spinal cord, crush it, remove a segment, and it will still regenerate. They can regenerate the same limb 40, 50, 90 times! And every time: perfect.
Axolotls retain their gills, but also have lungs that are fully functional. In the future when the rainforest is much smaller due to deforestation i think that the Axolotl will also decrease in size and become faster and then also rather than it being pink or white it will be more neutral toned.
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