The telencephalon is the part of the brain responsible for executive functions in fish, according to an experimental study published in PNAS Nexus. Zegni Triki and colleagues used guppies (Poecilia ...

Behavior that we’d consider intelligent is oddly widespread in the animal kingdom. Animals with very different brains from ours—a species of octopus and various birds—engage with tools, to give just ...

Some of the strongest animals in the world are not the largest. According to HowStuffWorks, tiny insects have immense ...

Which animals have the longest arms? Based on size alone, humpback whales (Megaptera novaeangliae) would easily crush all other competition with their massive flippers, which evolved from the arms of ...