Dogs can remember names of toys years after not seeing them, study shows

Scientists previously discovered some dogs have a remarkable ability to learn the names of toys, with a border collie known as Chaser having learned the labels of more than 1,000 objects.
Now researchers have discovered some dogs can remember the name of a toy even when they have not seen it for two years.
— Read on www.theguardian.com/science/article/2024/sep/04/dogs-remember-names-toys-years-study-pets-memory