Elephants may remember the smell of a relative's dung for 12 years
African elephants in captivity reacted to the smell of relatives they had not seen for years by flapping their ears and making rumbling soun..
https://www.newscientist.com/article/2361067-elephants-may-remember-the-smell-of-a-relatives-dung-for-12-years/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
https://www.newscientist.com/article/2361067-elephants-may-remember-the-smell-of-a-relatives-dung-for-12-years/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
