Mira

The younger sister of Zoll, Mira is found dying when Harlock makes his ill-fated attempt to save the survivors on planet Tokarga. Harlock's pet Mr. Bird was once Mira's pet, and is first heard mimicking her pleas for her brother's return. The last female of the Tokargan race, Mira's death signals the end of her people.

(Source: cornponeflicks.org/harlock/friends.html)