A recent study found elephants console one another when they are upset with gentle touches and trunk strokes. Previously, only humans, great apes, and birds in the raven family were known to do this. – WTF Fun Facts
Source: https://www.smithsonianmag.com/smart-news/humans-elephants-console-one-another-when-times-get-tough-180949830/
Golly. And there I was not even knowing that humans, great apes, and birds in the raven family had trunks.