**[Dogs of ancient breeds responded more readily to the wolf howl. Dogs of modern breeds have forgotten how to use howl for communication](https://www.nature.com/articles/s42003-023-04450-9)** Scientists tested the hypothesis that domestication has affected the communication of dogs, including their response to wolf howls. They conducted an experiment with 68 purebred dogs and found that older dogs from breeds that are more closely related to wolves responded longer with howls and showed more stress behaviors. The results of the study suggest that domestication has a significant impact on dogs' vocal behavior and may be causing them to lose the ability to howl, a species-specific communication form of canids.