EditorialRobert Young, who runs Geese Chasers, with Tink, a 7-year-old Border collie in Moorsetown, N.J., on April 6, 2023. (Michelle Gustafson/The New York Times)
EditorialSheep herding breeds appear to have a high number of genetic variants associated with a neurodevelopmental process known as axon guidance, which ensures that neurons are wired together correctly. (Brittainy Newman/The New York Times)
EditorialRescue volunteers load into a helicopter a man who fell 70 feet while hiking in the Tahoe National Forest on Wednesday, July 13, 2022. The man’s border collie, Saul, led rescuers to him. (Nevada County Sheriff's Search and Rescue via The New York Times)
EditorialSenator Bucky, a Border collie/golden retriever mix who put on about 10 pounds during the pandemic, in his backyard in Los Angeles, Feb. 14, 2022. (Jessica Pons/The New York Times)
EditorialA border collie observes competitors taking part in the agility round of the 144th Westminster Kennel Club Dog Show in New York on Feb. 8, 2020. (Brittainy Newman/The New York Times)
EditorialGinger, a female bearded collie, sits in the grooming area, during the annual Westminster Dog Show in New York on Monday, Feb. 10, 2020. (Andrew White/The New York Times)