Marine mammals,because humans are selfish creatures which care more for profit then the lives of creatures that have more of a right to live in the ocean than we do.We humans are blind,blind to the lives of creatures we deem below us(which is every species,actually).Now,when we dream of HUMANS being culled,we get dystopias like the hunger games.But when we cull hundreds of thousands of animals a year,that's just life,because of course,we are superior.I find animals better than humans.They are like toddlers,they don't really know much,but they are innocent.We humans have destroyed them for selfish interests.
