In 2024, eastern garter snakes passed a scent-based self-recognition test: 24 snakes investigated their own altered scent, suggesting self-recognition

Research reveals that Eastern garter snakes can recognize their altered scent, suggesting a level of self-awareness previously thought to be limited to mammals and birds. This breakthrough study shifts perceptions of reptile intelligence in animal cognition.

Raccontata daeconomictimes.indiatimes.com