Spanish. -->> Though not specified on her, she is of mustang breed, which is of spanish derivatives.
You're a crane,
you're a stray, -->> History reference, she became an outcast/wandered from her original herd.
you're sol. -->> When googled: Sol: 'a synonym for the sun' - reference to Sulwyn's sun marking.
And I'm coming to get you: chaotic spirit, lawful fellow, ultimately, good.