elephant burials

some time ago, Martin, I and a few others discussed burials,
and the way humans think about and relate to dead ancestors.
One question in this context was if similar behaviour can
be found in other animals. Here's a short paper on a recently discovered "elephant graveyard" - carefully argued
I'd say, without overegging the evidence
https://theconversation.com/elephant-calves-have-been-found-buried-what-does-that-mean-225409?
and here the academic paper it's based on
https://threatenedtaxa.org/index.php/JoTT/article/view/8826