The bulk update request #6413 is pending approval.

create implication black_ruff (25) -> ruff (1902)
create implication blue_ruff (7) -> ruff (1902)
create implication brown_ruff (11) -> ruff (1902)
create implication green_ruff (2) -> ruff (1902)
create implication grey_ruff (9) -> ruff (1902)
create implication orange_ruff (1) -> ruff (1902)
create implication pink_ruff (3) -> ruff (1902)
create implication purple_ruff (6) -> ruff (1902)
create implication red_ruff (3) -> ruff (1902)
create implication tan_ruff (24) -> ruff (1902)
create implication teal_ruff (0) -> ruff (1902)
create implication white_ruff (71) -> ruff (1902)
create implication yellow_ruff (0) -> ruff (1902)
create implication multicolored_ruff (3) -> ruff (1902)
create implication two_tone_ruff (11) -> ruff (1902)
create implication monotone_ruff (2) -> ruff (1902)

Reason: Ruff color implications. ruff is a pretty underused tag, but it seems to apply to a lot of images, but to my knowledge none of these implications exist yet