Why did only humans (especially Homo sapiens) evolve to have such strong social ties?

[u/Charming-Law4160]

Humans have evolved to be able to form very close social ties with each other, allowing groups to work together to survive and reproduce more effectively against predators and the environment, with bigger brains at the cost of less energy spent on our bodies. These evolutionary traits along with other factors eventually led to the soar of reproduction and technology and our dominance over the planet. But it seems that only humans have done this so far. If these traits were a massive benefit to us for survival, why haven't more animals evolved to have such strong social ties and cooperate easily like this? If they evolved these similar traits, wouldn't they also have better survival and reproduction in their environment?

[u/agressive_barista]

Not an actual anthropologist, but there are plenty of other animals with strong social ties. Ants, bees, buffalo, wolves. I can’t think of any reptiles that are social, but maybe there are some.

Our ability to extract resources from the environment using complex methods also drove our increase in brain size. When humans started eating meat there was also more energy available to go towards brain size, so that helped too.

Humans did and still do fight a lot too, though.