Intelligence in nature - is there a ranking?

[forrestdweller]

I have to question what intelligence actualy is. Humans are supposedly intelligent, but look at the state of things, wars, murder, abuse, bullying,greed, averace, envy, destruction of the natural environment..... the list goes on, and on.......
Show me any living thing , flora or fauna, that acts like that... outside of humans.
Let's face it, unlike every other entity on this planet, we are destroying everything, that's not very intelligent!!!!

reminds me of a quote i found somewhere: "the surest sign that intelligent life exists somewhere else in the universe is that nobody has tried to contact us (yet)"

 

[Pattree]

The very last line is relevant.

 

[Tengu]

Humans are the only animal that hates themself.

 

[Pattree]

Hmmmmm. How do you know that?

Human is the only species that cares for other species simply to keep the species from extinction.
Human is the only species that is aware of (nearly) all the other species.

Where Intelligence fits into this I’m not sure.

I once commented that a pig at a trough looked very content. My brother in law asked - how do you know that it’s not riddled with anxt?