The bulk update request #8590 is pending approval.

create alias tricorn (7) -> tricorne (105)
create alias tricorn_hat (23) -> tricorne (105)
create alias tricorne_hat (0) -> tricorne (105)
create implication tricorne (105) -> hat (198103)
create alias bicorn_hat (0) -> bicorne (39)
create alias bicorn_(hat) (0) -> bicorne (39)
create alias bicorne_hat (0) -> bicorne (39)
create implication bicorne (39) -> hat (198103)

Reason: These guys:

post #227771 post #878780

not aliasing bicorn because that's a species (though I did find one mistag under it)