"We show that interactions between meerkat groups are never tolerant," researcher Mark Dyble said.
Researchers monitored nearly 300 sharks over the course of more than four years.
"I saw that alpha females are the true leaders of the pack, not the big alpha males. Wolves have a matriarchal society and males seem to totally accept that, " expert Rick McIntyre said.
"This discovery is striking given how small their brains are," researcher Gene Robinson said.
Researchers investigated a unique group of dolphins in Western Australia which use sponges as tools to forage for food.
The mice on board the International Space Station started "race-tracking" as part of a coordinated group activity.
Our canine pals' cognitive abilities were overstated, researchers said.
Dolphin societies are surprisingly complex.
Researchers reviewed a number of studies into turn-taking behavior in the animal kingdom.
Researchers suggest that the older females may be seducing the males with pheromone signals.
Researchers found that related beluga whales returned to the same locations every year and that this behavior was passed down from generation to generation, likely from mother to calf.
Researchers recorded an incredible variety of freeform songs over a four year period.
Clashes like this are on the rise.
A video of the attack was posted by a friend who filmed the grisly scene at Cape Tribulation in Queensland.