Elephants can judge the quantity of hidden food just by using smell

Asian elephants have shown that they can judge quantities – the amount of seeds in a locked bucket – just by using their extremely sensitive sense of smell

Source:
https://www.newscientist.com/article/2205085-elephants-can-judge-the-quantity-of-hidden-food-just-by-using-smell/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home