: Dogs were domesticated roughly 40,000 years ago as hunting partners. Cats domesticated themselves approximately 12,000 years ago, following the rise of agriculture to hunt rodents in grain stores.
as of early 2026. While often viewed as opposites, these species share a deep evolutionary and social history with humans, though their contemporary roles and needs differ significantly. Dogs and cats
: Approximately 4.4 million pets enter U.S. shelters annually. As of 2025, there has been a slight 3% decrease in the number of pets successfully returned to their owners. : Dogs were domesticated roughly 40,000 years ago