From Buck Wiki, the ultimate Buck Rogers reference
Name Hawk
Age {{{age}}}
Homeworld {{{homeworld}}}
Birth place Throm
Birth Name {{{birthname}}}
Birth Date {{{birthdate}}}
Callsign {{{callsign}}}
Nickname Birdman
Introduced [[{{{seen}}}]]
Death {{{death}}}
Parents {{{parents}}}
Siblings {{{siblings}}}
Children {{{children}}}
Marital Status Widowed, Koori
Family Tree View
Role Pilot, associate aboard Searcher
Species {{{species}}}
Rank {{{rank}}}
Serial Number {{{serial}}}
Portrayed by Thom Christopher
Additional Information
Hawk in the separate continuity
Hawk in the primary continuity
Hawk with Koori, his wife.

Look, I don't wanna kill you, Hawk. My orders are to stop your rampages one way or another.
Rampages? No, Earthman. Retributions. Retributions of genocidal crimes against my people by humans.

Hawk is a bird-man from the planet Throm, married to Koori and seeker of vengeance against the humans who have slaughtered of his fellow tribespeople (BR25: "Time of the Hawk").