"Feral Hearts" is a song performed by Estonian singer Kerli.

A music video was debuted on Kerli's official YouTube profile on February 25, 2016.

[5] "Feral Hearts" is set at a 3/4 time signature, with a fast tempo of 180 beats per minute.

Musically, "Feral Hearts" incorporates strings and atmospheric instrumentation, as well as background vocals accompanying Kerli's voice throughout the chorus.

[6] Kerli designed the four characters she portrays in it: a butterfly, a mermaid, a spider, and a white stag.