Do they challenge the definition of species? Not really. The key words are "interbreed successfully"; tigons and ligers generally are sterile and short-lived -- an evolutionary dead end.

A brief list of reasons to buy Lampadati Tigon in GTA 5 Online (Image via Rockstar Games, Commander S/GTAForums) The Lampadati Tigon has returned to GTA Online with the latest update. It is one of ...

Do they challenge the definition of species? Not really. The key words are "interbreed successfully"; tigons and ligers generally are sterile and short-lived -- an evolutionary dead end.