It's incredible how much emotion and motivation animals can display to each other - although they have a distinct paucity of symbols and grammar rules - the inverse of the language "AI" bots under study in the article.
The a deer couple in the neighborhood - she was evidently hit by a car and has a serious limp, while he sticks to her like like glue with protective love. One night I heard a noise in back and checked. They were resting in the garden in a place (deliberately?) diffucult to see from the window. She wasn't bothered but he was uncomfortable, so he kept nosing her gently. He wouldn't leave without her. I'd never seen that kind of altruistic behaviour in deer before as was really impressed. Then suddenly he said "c'mon dear, let's go!", whereupon she got up slowly and carefully and then they left together,