Reader 12/23/2019 (Mon) 22:42:14 Id: d618d4 No.15551 del
>Four clearly distinct SPECIES of tiger.
>Can interbreed and produce distinct fertile offspring.
Don't ruin your argument with such a dumb image. By definition, reproductive isolation is observed with different species. Therefore, those are /sub-species/ of tigers.
I could've seen it as a minor difference in semantics if you didn't include a reference of the taxonomic ranks.