Related: >Swarming drones autonomously navigate a dense forest< (154 comments) : https://news.ycombinator.com/item?id=31268861

“Applications include first response, ecological studies and transportation.”

They forgot the most obvious one: Chasing humans through a forest.

Straight out of a Black Mirror episode.

Or a horror sci-fi novel

https://en.m.wikipedia.org/wiki/Prey_(novel)