"TIL that Acacia trees can communicate with each other. When they sense injuries in their leaves, they release ethylene gas in the air to signal nearby Acacias, which pump tannins in their leaves. Tannins make the leaves bitter and are also poisonous - it can kill even big herbivores, like deers."
But it seem to be true:
https://www.journaldequebec.com/2016/08/19/un-narval-adopte-par-des-belugas-dans
-le-fleuve-saint-laurent
I'm curious, what became of those folks when covid hit and all the ships were drydocked?