I find it irritating when people discuss animals, the differences/similarities of humans/animals, and morality. Morality is an entirely human concept, it applies solely to humans, or other sentience. When there is proof of animals being capable of the same kind of reasoning as humans, or they begin taking part in philosophical debates like this, I'll acknowledge another species as sentient. Until there is such evidence, I will not. Humans are the only sentient life that we know of in reality.
That makes us special(beyond the simple sense-making of wishing to preserve/promote one's own species), and while it is a shame when any species goes extinct, or any organism experiences pain, if it benefits humanity it is for the best.
We need to eat, so we have subjugated several species, both plant and animal, for the purpose of consumption. This is progress. It's nice to say all life is equal, naive, but nice.
Cats and dogs will eat the corpses of their owners 10 times out of 10 should the owner die, and they have no food source easier to access. Living things have to eat living things to survive, a plant is no less alive than an animal, it just isn't cute, or capable of screaming when in pain. Hence I always find it confusing when vegetarians cite moral reasons for not eating animals, yet still be all over eating other living organisms. But of course, everything needs to eat, it'd be silly (and suicidal) to promote a lifestyle of not eating anything. Again, it just annoys me when people are so blatantly inconsistent/hypocritical, and don a cloak of morality to cover their stench of smugness. And being a complete twat. Don't like the idea of eating an organism that can express pain, fine, it's a personal dietary choice, morality doesn't need enter it.
Humans and every predator with a mammalian brain hunt for sport, kill for pleasure. Chimps have even been documented killing a social rival to gain status in the group. Granted, they are closer to humans than most animals, but it is seen in many other genus. (Species of Canine, Feline.)
I agree that every trait humans possess can be seen in other organisms, this is to be expected as every subject for study has evolved on the same planet, even if in a slightly different environment.
Humans are the first among all others.
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