Bees play by rolling wooden balls — apparently for fun. The cleaner wrasse fish appears to recognize its own visage in an underwater mirror. Octopuses seem to react to anesthetic drugs and will avoid ...

Researchers questioned if coordinated group movements by animals moving through a fluid could reduce the energy cost of locomotion. By combining biomechanics and bioenergetics the researchers found ...

In the past, many scientists believed that only mammals and birds could feel or think in complex ways. Reptiles, fish, and insects were seen as simple creatures that reacted purely on instinct. But ...

The more we study sentience among nonhuman animals (animals) the more species are added to the sentience arena—the biodiversity of sentience is forever growing—and ethical questions about pain and ...

For the first time in Estonia's nature conservation history, an insect has been chosen alongside the animal, soil and fish of ...