Herds of elephants are far more powerful than a single animal because of their large size. They aren't completely safe in the wild, even though they have nearly no natural predators.
Like many other mammals, dolphins spend time nursing their newborn calves.
These stunning aquatic creatures have babies that are completely reliant on their mothers for the first few years of their lives. Some of the other females in the pod will even pitch in to help with child care.
Chimpanzees need to be part of a social group of 15-150 individuals to ensure their survival. They are omnivores and have been observed using cunning and planning to take down monkeys and other large prey.
Lions live in prides. A pride of lions has 3-4 males, a dozen or two females, and pups and juveniles. The lionesses hunt and bring in food for the pride.
Wolves are among the most sociable carnivores on the planet; they live in packs governed by a strict hierarchy, and each member of the pack understands precisely what role it plays.
It's common knowledge that honey bees form vast communities, or colonies, that are headed by a queen. They can contain tens of thousands of bees each.
The common backyard squirrel and the Prairie Dog are related species. These mammal-like rodents live in groups of up to 30 members called coteries.
Hyenas live in clans. Each member of these clans has a role in their complicated social order.