The bulk update request #1584 is pending approval.
create alias half_demon (96) -> demon (129129)
create alias half-demon (37) -> demon (129129)
create alias half-vampire (41) -> vampire (7918)
create alias half_vampire (1) -> vampire (7918)
create alias half-dragon (83) -> dragon (388807)
create alias half_orc (11) -> hybrid (179319)
create alias half-esper (3) -> hybrid (179319)
create alias half_satyr (2) -> hybrid (179319)
create alias half-gryphon (0) -> hybrid (179319)
create alias half-human (4) -> hybrid (179319)
create alias halfpony (1) -> hybrid (179319)
create alias halffox (1) -> hybrid (179319)
Reason: Demons and vampires are traits that don't carry a proper species. You either are or you aren't.
Everything else? Hybrids. Half-orc is already requested in topic #21272.