In a German wildlife park, researchers observed a rare case of interspecies play between two different lemur species. While play is common within species, crossing that line carries risks due to ...

The motivation behind everything that animals do is to stay alive, at least until they have produced offspring. Any species that cannot do this is not going to last for long. But are there occasions ...

I've studied various aspects of play behavior in a wide variety of nonhuman animals (animals) for decades, focusing mostly on members of the "dog family" (canids), while some of my students have ...

We project a great deal onto animals. They are elevated into ideals of love and fidelity (dogs, horses), and often they are reduced to objects and tools (cattle, pigs, horses again). Much of ...