蝾螈 / Salamander / newt

I can regrow limbs; scientists study how. Your scraped knee definitely wants to hear more!
我能再生四肢，科学家正在研究诀窍。你擦伤的膝盖肯定很想听听！

Sources
Reading and editing the Pleurodeles waltl genome reveals novel features of tetrapod regeneration
https://www.nature.com/articles/s41467-017-01964-9
Macrophages are required for adult salamander limb regeneration.
https://doi.org/10.1073/pnas.1300290110
Molecular basis for the nerve dependence of limb regeneration in an adult vertebrate.
https://doi.org/10.1126/science.1147710
Species reference
https://en.wikipedia.org/wiki/Salamander

Research context
Salamanders reveal how vertebrate limbs develop and regenerate. Their biology helps investigate conserved developmental mechanisms, while their modern anatomy should not be treated as a direct copy of the first land vertebrates.