Dancing seems to be a universal way of trying to attract a mate.

[Rukia smiles, offering Yuki some of the greens. The chocobo can put her 'pretending not to care' facade on hold long enough to enjoy the treat with a few warbling trills of affection.]

Still, I wonder why this one holds his interest. She doesn't seem very...friendly.

[Personable, she wanted to say, but the word doesn't really apply if it's an animal.]