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 ...

In a report published in February in Frontiers in Ecology and Evolution, they document four instances of this “rare” and ...

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 ...

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 ...