Animal behavior

These long-term cooperative relationships between unrelated bats appear to be similar in form and function to human friendships.

Robber crabs—also known as coconut crabs—are the largest terrestrial invertebrates in the world

The yellow-footed antechinus is a marsupial has a rare and unusual mating behavior known as "male semelparity."

"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.

Scientists report cleaner wrasse fish passed the mirror self-recognition test—a hallmark of animal cognition.

Dolphin societies are surprisingly complex.

Researchers reviewed a number of studies into turn-taking behavior in the animal kingdom.

Dolphins peer out above the surface of the water more often when they are expecting humans to come play with them than when they get toys.

Episodic memory is the ability to remember specific events in sequential order, which allows us to recall past experiences.

Researchers suggest that the older females may be seducing the males with pheromone signals.

The footage was captured using a drone off the coast of Australia in September 2017.

The snake can eat prey up to four times bigger than what they would be capable of swallowing whole, giving them a survival advantage.

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.

"I saw it and just ran straight at it yelling and screaming."

Researchers found similarities between how individual bees communicate with one another when making collective decisions and the way neurons in the human brain interact.

Researchers wanted to understand more about why humans talk to dogs and if the manner of speaking is beneficial to the animals in some way.

Thousands have signed a petition directed at Frito-Lay as a result.

Clashes like this are on the rise.

About one-third of cats may be "left-pawed."

"So is animal sentience a big deal? Yes, it is."

"I wasn't sure what the whale was up to when he approached me."

A video of the attack was posted by a friend who filmed the grisly scene at Cape Tribulation in Queensland.

The way chimpanzees responded to a fake snake in the grass speaks volumes.