Ok...so you stumped me on this one. I found plenty with "tail" in the title, but not tailless.
So I cheated a little and went a bit further. How about tailless in the first line of the song?
A special SPECIES cycle ( who am i?) ~ Lucy Jenson
First 2 lines:
Tailless amphibian, is what I am.
I live in water; sometimes land.
( can provide the rest if you like! sorry about cheating)
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